<?xml version="1.0"?>
<data>
  <classification language="English">
    <code>A00</code>
    <description><![CDATA[General Economics and Teaching]]></description>
  </classification>
  <classification language="English">
    <code>A10</code>
    <description><![CDATA[General Economics: General]]></description>
  </classification>
  <classification language="English">
    <code>A11</code>
    <description><![CDATA[Role of Economics; Role of Economists; Market for Economists]]></description>
  </classification>
  <classification language="English">
    <code>A12</code>
    <description><![CDATA[Relation of Economics to Other Disciplines]]></description>
  </classification>
  <classification language="English">
    <code>A13</code>
    <description><![CDATA[Relation of Economics to Social Values]]></description>
  </classification>
  <classification language="English">
    <code>A14</code>
    <description><![CDATA[Sociology of Economics]]></description>
  </classification>
  <classification language="English">
    <code>A19</code>
    <description><![CDATA[General Economics: Other]]></description>
  </classification>
  <classification language="English">
    <code>A20</code>
    <description><![CDATA[Economic Education and Teaching of Economics: General]]></description>
  </classification>
  <classification language="English">
    <code>A21</code>
    <description><![CDATA[Economic Education and Teaching of Economics: Pre-college]]></description>
  </classification>
  <classification language="English">
    <code>A22</code>
    <description><![CDATA[Economic Education and Teaching of Economics: Undergraduate]]></description>
  </classification>
  <classification language="English">
    <code>A23</code>
    <description><![CDATA[Economic Education and Teaching of Economics: Graduate]]></description>
  </classification>
  <classification language="English">
    <code>A29</code>
    <description><![CDATA[Economic Education and Teaching of Economics: Other]]></description>
  </classification>
  <classification language="English">
    <code>A30</code>
    <description><![CDATA[Collective Works: General]]></description>
  </classification>
  <classification language="English">
    <code>A31</code>
    <description><![CDATA[Collected Writings of Individuals]]></description>
  </classification>
  <classification language="English">
    <code>A32</code>
    <description><![CDATA[Collective Volumes]]></description>
  </classification>
  <classification language="English">
    <code>A33</code>
    <description><![CDATA[Handbooks]]></description>
  </classification>
  <classification language="English">
    <code>A39</code>
    <description><![CDATA[Collective Works: Other]]></description>
  </classification>
  <classification language="English">
    <code>B00</code>
    <description><![CDATA[History of Economic Thought, Methodology, and Heterodox Approaches]]></description>
  </classification>
  <classification language="English">
    <code>B10</code>
    <description><![CDATA[History of Economic Thought through 1925: General]]></description>
  </classification>
  <classification language="English">
    <code>B11</code>
    <description><![CDATA[History of Economic Thought: Preclassical (Ancient, Medieval, Mercantilist, Physiocratic)]]></description>
  </classification>
  <classification language="English">
    <code>B12</code>
    <description><![CDATA[History of Economic Thought: Classical (includes Adam Smith)]]></description>
  </classification>
  <classification language="English">
    <code>B13</code>
    <description><![CDATA[History of Economic Thought: Neoclassical through 1925 (Austrian, Marshallian, Walrasian, Wicksellian)]]></description>
  </classification>
  <classification language="English">
    <code>B14</code>
    <description><![CDATA[History of Economic Thought through 1925: Socialist; Marxist]]></description>
  </classification>
  <classification language="English">
    <code>B15</code>
    <description><![CDATA[History of Economic Thought through 1925: Historical; Institutional; Evolutionary]]></description>
  </classification>
  <classification language="English">
    <code>B16</code>
    <description><![CDATA[History of Economic Thought through 1925: Quantitative and Mathematical]]></description>
  </classification>
  <classification language="English">
    <code>B17</code>
    <description><![CDATA[History of Economic Thought through 1925: International Trade and Finance]]></description>
  </classification>
  <classification language="English">
    <code>B19</code>
    <description><![CDATA[History of Economic Thought through 1925: Other]]></description>
  </classification>
  <classification language="English">
    <code>B20</code>
    <description><![CDATA[History of Economic Thought since 1925: General]]></description>
  </classification>
  <classification language="English">
    <code>B21</code>
    <description><![CDATA[History of Economic Thought: Microeconomics]]></description>
  </classification>
  <classification language="English">
    <code>B22</code>
    <description><![CDATA[History of Economic Thought: Macroeconomics]]></description>
  </classification>
  <classification language="English">
    <code>B23</code>
    <description><![CDATA[History of Economic Thought: Quantitative and Mathematical]]></description>
  </classification>
  <classification language="English">
    <code>B24</code>
    <description><![CDATA[History of Economic Thought since 1925: Socialist; Marxist; Sraffian]]></description>
  </classification>
  <classification language="English">
    <code>B25</code>
    <description><![CDATA[History of Economic Thought since 1925: Historical; Institutional; Evolutionary; Austrian; Stockholm School]]></description>
  </classification>
  <classification language="English">
    <code>B26</code>
    <description><![CDATA[History of Economic Thought since 1925: Financial Economics]]></description>
  </classification>
  <classification language="English">
    <code>B27</code>
    <description><![CDATA[History of Economic Thought since 1925: International Trade and Finance]]></description>
  </classification>
  <classification language="English">
    <code>B29</code>
    <description><![CDATA[History of Economic Thought since 1925: Other]]></description>
  </classification>
  <classification language="English">
    <code>B30</code>
    <description><![CDATA[History of Economic Thought: Individuals: General]]></description>
  </classification>
  <classification language="English">
    <code>B31</code>
    <description><![CDATA[History of Economic Thought: Individuals]]></description>
  </classification>
  <classification language="English">
    <code>B32</code>
    <description><![CDATA[Obituaries]]></description>
  </classification>
  <classification language="English">
    <code>B40</code>
    <description><![CDATA[Economic Methodology: General]]></description>
  </classification>
  <classification language="English">
    <code>B41</code>
    <description><![CDATA[Economic Methodology]]></description>
  </classification>
  <classification language="English">
    <code>B49</code>
    <description><![CDATA[Economic Methodology: Other]]></description>
  </classification>
  <classification language="English">
    <code>B50</code>
    <description><![CDATA[Current Heterodox Approaches: General]]></description>
  </classification>
  <classification language="English">
    <code>B51</code>
    <description><![CDATA[Current Heterodox Approaches: Socialist; Marxian; Sraffian]]></description>
  </classification>
  <classification language="English">
    <code>B52</code>
    <description><![CDATA[Current Heterodox Approaches: Historical; Institutional; Evolutionary; Modern Monetary Theory]]></description>
  </classification>
  <classification language="English">
    <code>B53</code>
    <description><![CDATA[Current Heterodox Approaches: Austrian]]></description>
  </classification>
  <classification language="English">
    <code>B54</code>
    <description><![CDATA[Feminist Economics]]></description>
  </classification>
  <classification language="English">
    <code>B55</code>
    <description><![CDATA[Social Economics]]></description>
  </classification>
  <classification language="English">
    <code>B59</code>
    <description><![CDATA[Current Heterodox Approaches: Other]]></description>
  </classification>
  <classification language="English">
    <code>C00</code>
    <description><![CDATA[Mathematical and Quantitative Methods: General]]></description>
  </classification>
  <classification language="English">
    <code>C01</code>
    <description><![CDATA[Econometrics]]></description>
  </classification>
  <classification language="English">
    <code>C02</code>
    <description><![CDATA[Mathematical Methods]]></description>
  </classification>
  <classification language="English">
    <code>C10</code>
    <description><![CDATA[Econometric and Statistical Methods and Methodology: General]]></description>
  </classification>
  <classification language="English">
    <code>C11</code>
    <description><![CDATA[Bayesian Analysis: General]]></description>
  </classification>
  <classification language="English">
    <code>C12</code>
    <description><![CDATA[Hypothesis Testing: General]]></description>
  </classification>
  <classification language="English">
    <code>C13</code>
    <description><![CDATA[Estimation: General]]></description>
  </classification>
  <classification language="English">
    <code>C14</code>
    <description><![CDATA[Semiparametric and Nonparametric Methods: General]]></description>
  </classification>
  <classification language="English">
    <code>C15</code>
    <description><![CDATA[Statistical Simulation Methods: General]]></description>
  </classification>
  <classification language="English">
    <code>C18</code>
    <description><![CDATA[Methodological Issues: General]]></description>
  </classification>
  <classification language="English">
    <code>C19</code>
    <description><![CDATA[Econometric and Statistical Methods: Other]]></description>
  </classification>
  <classification language="English">
    <code>C20</code>
    <description><![CDATA[Single Equation Models; Single Variables: General]]></description>
  </classification>
  <classification language="English">
    <code>C21</code>
    <description><![CDATA[Single Equation Models; Single Variables: Cross-Sectional Models; Spatial Models; Treatment Effect Models; Quantile Regressions]]></description>
  </classification>
  <classification language="English">
    <code>C22</code>
    <description><![CDATA[Single Equation Models; Single Variables: Time-Series Models; Dynamic Quantile Regressions; Dynamic Treatment Effect Models; Diffusion Processes]]></description>
  </classification>
  <classification language="English">
    <code>C23</code>
    <description><![CDATA[Single Equation Models; Single Variables: Panel Data Models; Spatio-temporal Models]]></description>
  </classification>
  <classification language="English">
    <code>C24</code>
    <description><![CDATA[Single Equation Models; Single Variables: Truncated and Censored Models; Switching Regression Models; Threshold Regression Models]]></description>
  </classification>
  <classification language="English">
    <code>C25</code>
    <description><![CDATA[Single Equation Models; Single Variables: Discrete Regression and Qualitative Choice Models; Discrete Regressors; Proportions; Probabilities]]></description>
  </classification>
  <classification language="English">
    <code>C26</code>
    <description><![CDATA[Single Equation Models: Single Variables: Instrumental Variables (IV) Estimation]]></description>
  </classification>
  <classification language="English">
    <code>C29</code>
    <description><![CDATA[Single Equation Models; Single Variables: Other]]></description>
  </classification>
  <classification language="English">
    <code>C30</code>
    <description><![CDATA[Multiple or Simultaneous Equation Models; Multiple Variables: General]]></description>
  </classification>
  <classification language="English">
    <code>C31</code>
    <description><![CDATA[Multiple or Simultaneous Equation Models: Cross-Sectional Models; Spatial Models; Treatment Effect Models; Quantile Regressions; Social Interaction Models]]></description>
  </classification>
  <classification language="English">
    <code>C32</code>
    <description><![CDATA[Multiple or Simultaneous Equation Models: Time-Series Models; Dynamic Quantile Regressions; Dynamic Treatment Effect Models; Diffusion Processes; State Space Models]]></description>
  </classification>
  <classification language="English">
    <code>C33</code>
    <description><![CDATA[Multiple or Simultaneous Equation Models: Panel Data Models; Spatio-temporal Models]]></description>
  </classification>
  <classification language="English">
    <code>C34</code>
    <description><![CDATA[Multiple or Simultaneous Equation Models: Truncated and Censored Models; Switching Regression Models]]></description>
  </classification>
  <classification language="English">
    <code>C35</code>
    <description><![CDATA[Multiple or Simultaneous Equation Models: Discrete Regression and Qualitative Choice Models; Discrete Regressors; Proportions]]></description>
  </classification>
  <classification language="English">
    <code>C36</code>
    <description><![CDATA[Multiple or Simultaneous Equation Models: Instrumental Variables (IV) Estimation]]></description>
  </classification>
  <classification language="English">
    <code>C38</code>
    <description><![CDATA[Multiple or Simultaneous Equation Models: Classification Methods; Cluster Analysis; Principal Components; Factor Models]]></description>
  </classification>
  <classification language="English">
    <code>C39</code>
    <description><![CDATA[Multiple or Simultaneous Equation Models; Multiple Variables: Other]]></description>
  </classification>
  <classification language="English">
    <code>C40</code>
    <description><![CDATA[Econometric and Statistical Methods: Special Topics: General]]></description>
  </classification>
  <classification language="English">
    <code>C41</code>
    <description><![CDATA[Duration Analysis; Optimal Timing Strategies]]></description>
  </classification>
  <classification language="English">
    <code>C42</code>
    <description><![CDATA[Classification Discontinued 2008. See C83.]]></description>
  </classification>
  <classification language="English">
    <code>C43</code>
    <description><![CDATA[Index Numbers and Aggregation; Leading indicators]]></description>
  </classification>
  <classification language="English">
    <code>C44</code>
    <description><![CDATA[Operations Research; Statistical Decision Theory]]></description>
  </classification>
  <classification language="English">
    <code>C45</code>
    <description><![CDATA[Neural Networks and Related Topics]]></description>
  </classification>
  <classification language="English">
    <code>C46</code>
    <description><![CDATA[Specific Distributions; Specific Statistics]]></description>
  </classification>
  <classification language="English">
    <code>C49</code>
    <description><![CDATA[Econometric and Statistical Methods: Special Topics: Other]]></description>
  </classification>
  <classification language="English">
    <code>C50</code>
    <description><![CDATA[Econometric Modeling: General]]></description>
  </classification>
  <classification language="English">
    <code>C51</code>
    <description><![CDATA[Model Construction and Estimation]]></description>
  </classification>
  <classification language="English">
    <code>C52</code>
    <description><![CDATA[Model Evaluation, Validation, and Selection]]></description>
  </classification>
  <classification language="English">
    <code>C53</code>
    <description><![CDATA[Forecasting Models; Simulation Methods]]></description>
  </classification>
  <classification language="English">
    <code>C54</code>
    <description><![CDATA[Quantitative Policy Modeling]]></description>
  </classification>
  <classification language="English">
    <code>C55</code>
    <description><![CDATA[Large Data Sets: Modeling and Analysis]]></description>
  </classification>
  <classification language="English">
    <code>C57</code>
    <description><![CDATA[Econometrics of Games and Auctions]]></description>
  </classification>
  <classification language="English">
    <code>C58</code>
    <description><![CDATA[Financial Econometrics]]></description>
  </classification>
  <classification language="English">
    <code>C59</code>
    <description><![CDATA[Econometric Modeling: Other]]></description>
  </classification>
  <classification language="English">
    <code>C60</code>
    <description><![CDATA[Mathematical Methods; Programming Models; Mathematical and Simulation Modeling: General]]></description>
  </classification>
  <classification language="English">
    <code>C61</code>
    <description><![CDATA[Optimization Techniques; Programming Models; Dynamic Analysis]]></description>
  </classification>
  <classification language="English">
    <code>C62</code>
    <description><![CDATA[Existence and Stability Conditions of Equilibrium]]></description>
  </classification>
  <classification language="English">
    <code>C63</code>
    <description><![CDATA[Computational Techniques; Simulation Modeling]]></description>
  </classification>
  <classification language="English">
    <code>C65</code>
    <description><![CDATA[Miscellaneous Mathematical Tools]]></description>
  </classification>
  <classification language="English">
    <code>C67</code>
    <description><![CDATA[Input-Output Models]]></description>
  </classification>
  <classification language="English">
    <code>C68</code>
    <description><![CDATA[Computable General Equilibrium Models]]></description>
  </classification>
  <classification language="English">
    <code>C69</code>
    <description><![CDATA[Mathematical Methods; Programming Models; Mathematical and Simulation Modeling: Other]]></description>
  </classification>
  <classification language="English">
    <code>C70</code>
    <description><![CDATA[Game Theory and Bargaining Theory: General]]></description>
  </classification>
  <classification language="English">
    <code>C71</code>
    <description><![CDATA[Cooperative Games]]></description>
  </classification>
  <classification language="English">
    <code>C72</code>
    <description><![CDATA[Noncooperative Games]]></description>
  </classification>
  <classification language="English">
    <code>C73</code>
    <description><![CDATA[Stochastic and Dynamic Games; Evolutionary Games; Repeated Games]]></description>
  </classification>
  <classification language="English">
    <code>C78</code>
    <description><![CDATA[Bargaining Theory; Matching Theory]]></description>
  </classification>
  <classification language="English">
    <code>C79</code>
    <description><![CDATA[Game Theory and Bargaining Theory: Other]]></description>
  </classification>
  <classification language="English">
    <code>C80</code>
    <description><![CDATA[Data Collection and Data Estimation Methodology; Computer Programs: General]]></description>
  </classification>
  <classification language="English">
    <code>C81</code>
    <description><![CDATA[Methodology for Collecting, Estimating, and Organizing Microeconomic Data; Data Access]]></description>
  </classification>
  <classification language="English">
    <code>C82</code>
    <description><![CDATA[Methodology for Collecting, Estimating, and Organizing Macroeconomic Data; Data Access]]></description>
  </classification>
  <classification language="English">
    <code>C83</code>
    <description><![CDATA[Survey Methods; Sampling Methods]]></description>
  </classification>
  <classification language="English">
    <code>C87</code>
    <description><![CDATA[Econometric Software]]></description>
  </classification>
  <classification language="English">
    <code>C88</code>
    <description><![CDATA[Data Collection and Data Estimation Methodology; Computer Programs: Other Computer Software]]></description>
  </classification>
  <classification language="English">
    <code>C89</code>
    <description><![CDATA[Data Collection and Data Estimation Methodology; Computer Programs: Other]]></description>
  </classification>
  <classification language="English">
    <code>C90</code>
    <description><![CDATA[Design of Experiments: General]]></description>
  </classification>
  <classification language="English">
    <code>C91</code>
    <description><![CDATA[Design of Experiments: Laboratory, Individual]]></description>
  </classification>
  <classification language="English">
    <code>C92</code>
    <description><![CDATA[Design of Experiments: Laboratory, Group Behavior]]></description>
  </classification>
  <classification language="English">
    <code>C93</code>
    <description><![CDATA[Field Experiments]]></description>
  </classification>
  <classification language="English">
    <code>C99</code>
    <description><![CDATA[Design of Experiments: Other]]></description>
  </classification>
  <classification language="English">
    <code>D00</code>
    <description><![CDATA[Microeconomics: General]]></description>
  </classification>
  <classification language="English">
    <code>D01</code>
    <description><![CDATA[Microeconomic Behavior: Underlying Principles]]></description>
  </classification>
  <classification language="English">
    <code>D02</code>
    <description><![CDATA[Institutions: Design, Formation, Operations, and Impact]]></description>
  </classification>
  <classification language="English">
    <code>D04</code>
    <description><![CDATA[Microeconomic Policy: Formulation, Implementation, and Evaluation]]></description>
  </classification>
  <classification language="English">
    <code>D10</code>
    <description><![CDATA[Household Behavior: General]]></description>
  </classification>
  <classification language="English">
    <code>D11</code>
    <description><![CDATA[Consumer Economics: Theory]]></description>
  </classification>
  <classification language="English">
    <code>D12</code>
    <description><![CDATA[Consumer Economics: Empirical Analysis]]></description>
  </classification>
  <classification language="English">
    <code>D13</code>
    <description><![CDATA[Household Production and Intrahousehold Allocation]]></description>
  </classification>
  <classification language="English">
    <code>D14</code>
    <description><![CDATA[Household Saving; Personal Finance]]></description>
  </classification>
  <classification language="English">
    <code>D15</code>
    <description><![CDATA[Intertemporal Household Choice; Life Cycle Models and Saving]]></description>
  </classification>
  <classification language="English">
    <code>D16</code>
    <description><![CDATA[Collaborative Consumption]]></description>
  </classification>
  <classification language="English">
    <code>D18</code>
    <description><![CDATA[Consumer Protection]]></description>
  </classification>
  <classification language="English">
    <code>D19</code>
    <description><![CDATA[Household Behavior and Family Economics: Other]]></description>
  </classification>
  <classification language="English">
    <code>D20</code>
    <description><![CDATA[Production and Organizations: General]]></description>
  </classification>
  <classification language="English">
    <code>D21</code>
    <description><![CDATA[Firm Behavior: Theory]]></description>
  </classification>
  <classification language="English">
    <code>D22</code>
    <description><![CDATA[Firm Behavior: Empirical Analysis]]></description>
  </classification>
  <classification language="English">
    <code>D23</code>
    <description><![CDATA[Organizational Behavior; Transaction Costs; Property Rights]]></description>
  </classification>
  <classification language="English">
    <code>D24</code>
    <description><![CDATA[Production; Cost; Capital; Capital, Total Factor, and Multifactor Productivity; Capacity]]></description>
  </classification>
  <classification language="English">
    <code>D25</code>
    <description><![CDATA[Intertemporal Firm Choice: Investment, Capacity, and Financing]]></description>
  </classification>
  <classification language="English">
    <code>D26</code>
    <description><![CDATA[Crowd-Based Firms]]></description>
  </classification>
  <classification language="English">
    <code>D29</code>
    <description><![CDATA[Production and Organizations: Other]]></description>
  </classification>
  <classification language="English">
    <code>D30</code>
    <description><![CDATA[Distribution: General]]></description>
  </classification>
  <classification language="English">
    <code>D31</code>
    <description><![CDATA[Personal Income, Wealth, and Their Distributions]]></description>
  </classification>
  <classification language="English">
    <code>D33</code>
    <description><![CDATA[Factor Income Distribution]]></description>
  </classification>
  <classification language="English">
    <code>D39</code>
    <description><![CDATA[Distribution: Other]]></description>
  </classification>
  <classification language="English">
    <code>D40</code>
    <description><![CDATA[Market Structure, Pricing, and Design: General]]></description>
  </classification>
  <classification language="English">
    <code>D41</code>
    <description><![CDATA[Market Structure, Pricing, and Design: Perfect Competition]]></description>
  </classification>
  <classification language="English">
    <code>D42</code>
    <description><![CDATA[Market Structure, Pricing, and Design: Monopoly]]></description>
  </classification>
  <classification language="English">
    <code>D43</code>
    <description><![CDATA[Market Structure, Pricing, and Design: Oligopoly and Other Forms of Market Imperfection]]></description>
  </classification>
  <classification language="English">
    <code>D44</code>
    <description><![CDATA[Auctions]]></description>
  </classification>
  <classification language="English">
    <code>D45</code>
    <description><![CDATA[Rationing; Licensing]]></description>
  </classification>
  <classification language="English">
    <code>D46</code>
    <description><![CDATA[Value Theory]]></description>
  </classification>
  <classification language="English">
    <code>D47</code>
    <description><![CDATA[Market Design]]></description>
  </classification>
  <classification language="English">
    <code>D49</code>
    <description><![CDATA[Market Structure and Pricing: Other]]></description>
  </classification>
  <classification language="English">
    <code>D50</code>
    <description><![CDATA[General Equilibrium and Disequilibrium: General]]></description>
  </classification>
  <classification language="English">
    <code>D51</code>
    <description><![CDATA[Exchange and Production Economies]]></description>
  </classification>
  <classification language="English">
    <code>D52</code>
    <description><![CDATA[Incomplete Markets]]></description>
  </classification>
  <classification language="English">
    <code>D53</code>
    <description><![CDATA[General Equilibrium and Disequilibrium: Financial Markets]]></description>
  </classification>
  <classification language="English">
    <code>D57</code>
    <description><![CDATA[General Equilibrium and Disequilibrium: Input-Output Tables and Analysis]]></description>
  </classification>
  <classification language="English">
    <code>D58</code>
    <description><![CDATA[Computable and Other Applied General Equilibrium Models]]></description>
  </classification>
  <classification language="English">
    <code>D59</code>
    <description><![CDATA[General Equilibrium and Disequilibrium: Other]]></description>
  </classification>
  <classification language="English">
    <code>D60</code>
    <description><![CDATA[Welfare Economics: General]]></description>
  </classification>
  <classification language="English">
    <code>D61</code>
    <description><![CDATA[Allocative Efficiency; Cost-Benefit Analysis]]></description>
  </classification>
  <classification language="English">
    <code>D62</code>
    <description><![CDATA[Externalities]]></description>
  </classification>
  <classification language="English">
    <code>D63</code>
    <description><![CDATA[Equity, Justice, Inequality, and Other Normative Criteria and Measurement]]></description>
  </classification>
  <classification language="English">
    <code>D64</code>
    <description><![CDATA[Altruism; Philanthropy; Intergenerational Transfers]]></description>
  </classification>
  <classification language="English">
    <code>D69</code>
    <description><![CDATA[Welfare Economics: Other]]></description>
  </classification>
  <classification language="English">
    <code>D70</code>
    <description><![CDATA[Analysis of Collective Decision-Making: General]]></description>
  </classification>
  <classification language="English">
    <code>D71</code>
    <description><![CDATA[Social Choice; Clubs; Committees; Associations]]></description>
  </classification>
  <classification language="English">
    <code>D72</code>
    <description><![CDATA[Political Processes: Rent-seeking, Lobbying, Elections, Legislatures, and Voting Behavior]]></description>
  </classification>
  <classification language="English">
    <code>D73</code>
    <description><![CDATA[Bureaucracy; Administrative Processes in Public Organizations; Corruption]]></description>
  </classification>
  <classification language="English">
    <code>D74</code>
    <description><![CDATA[Conflict; Conflict Resolution; Alliances; Revolutions]]></description>
  </classification>
  <classification language="English">
    <code>D78</code>
    <description><![CDATA[Positive Analysis of Policy Formulation and Implementation]]></description>
  </classification>
  <classification language="English">
    <code>D79</code>
    <description><![CDATA[Analysis of Collective Decision-Making: Other]]></description>
  </classification>
  <classification language="English">
    <code>D80</code>
    <description><![CDATA[Information, Knowledge, and Uncertainty: General]]></description>
  </classification>
  <classification language="English">
    <code>D81</code>
    <description><![CDATA[Criteria for Decision-Making under Risk and Uncertainty]]></description>
  </classification>
  <classification language="English">
    <code>D82</code>
    <description><![CDATA[Asymmetric and Private Information; Mechanism Design]]></description>
  </classification>
  <classification language="English">
    <code>D83</code>
    <description><![CDATA[Search; Learning; Information and Knowledge; Communication; Belief; Unawareness]]></description>
  </classification>
  <classification language="English">
    <code>D84</code>
    <description><![CDATA[Expectations; Speculations]]></description>
  </classification>
  <classification language="English">
    <code>D85</code>
    <description><![CDATA[Network Formation and Analysis: Theory]]></description>
  </classification>
  <classification language="English">
    <code>D86</code>
    <description><![CDATA[Economics of Contract: Theory]]></description>
  </classification>
  <classification language="English">
    <code>D87</code>
    <description><![CDATA[Neuroeconomics]]></description>
  </classification>
  <classification language="English">
    <code>D89</code>
    <description><![CDATA[Information and Uncertainty: Other]]></description>
  </classification>
  <classification language="English">
    <code>D90</code>
    <description><![CDATA[Micro-Based Behavioral Economics: General]]></description>
  </classification>
  <classification language="English">
    <code>D91</code>
    <description><![CDATA[Micro-Based Behavioral Economics: Role and Effects of Psychological, Emotional, Social, and Cognitive Factors on Decision Making]]></description>
  </classification>
  <classification language="English">
    <code>E00</code>
    <description><![CDATA[Macroeconomics and Monetary Economics: General]]></description>
  </classification>
  <classification language="English">
    <code>E01</code>
    <description><![CDATA[Measurement and Data on National Income and Product Accounts and Wealth; Environmental Accounts]]></description>
  </classification>
  <classification language="English">
    <code>E02</code>
    <description><![CDATA[Institutions and the Macroeconomy]]></description>
  </classification>
  <classification language="English">
    <code>E10</code>
    <description><![CDATA[General Aggregative Models: General]]></description>
  </classification>
  <classification language="English">
    <code>E11</code>
    <description><![CDATA[General Aggregative Models: Marxian; Sraffian; Kaleckian]]></description>
  </classification>
  <classification language="English">
    <code>E12</code>
    <description><![CDATA[General Aggregative Models: Keynes; Keynesian; Post-Keynesian; Modern Monetary Theory]]></description>
  </classification>
  <classification language="English">
    <code>E13</code>
    <description><![CDATA[General Aggregative Models: Neoclassical]]></description>
  </classification>
  <classification language="English">
    <code>E14</code>
    <description><![CDATA[Austrian; Evolutionary; Institutional]]></description>
  </classification>
  <classification language="English">
    <code>E16</code>
    <description><![CDATA[General Aggregative Models: Social Accounting Matrix]]></description>
  </classification>
  <classification language="English">
    <code>E17</code>
    <description><![CDATA[General Aggregative Models: Forecasting and Simulation: Models and Applications]]></description>
  </classification>
  <classification language="English">
    <code>E19</code>
    <description><![CDATA[General Aggregative Models: Other]]></description>
  </classification>
  <classification language="English">
    <code>E20</code>
    <description><![CDATA[Consumption, Saving, Production, Investment, Labor Markets, and Informal Economy: General (includes Measurement and Data)]]></description>
  </classification>
  <classification language="English">
    <code>E21</code>
    <description><![CDATA[Macroeconomics: Consumption; Saving; Wealth]]></description>
  </classification>
  <classification language="English">
    <code>E22</code>
    <description><![CDATA[Investment; Capital; Intangible Capital; Capacity]]></description>
  </classification>
  <classification language="English">
    <code>E23</code>
    <description><![CDATA[Macroeconomics: Production]]></description>
  </classification>
  <classification language="English">
    <code>E24</code>
    <description><![CDATA[Employment; Unemployment; Wages; Intergenerational Income Distribution; Aggregate Human Capital; Aggregate Labor Productivity]]></description>
  </classification>
  <classification language="English">
    <code>E25</code>
    <description><![CDATA[Aggregate Factor Income Distribution]]></description>
  </classification>
  <classification language="English">
    <code>E26</code>
    <description><![CDATA[Informal Economy; Underground Economy]]></description>
  </classification>
  <classification language="English">
    <code>E27</code>
    <description><![CDATA[Macroeconomics: Consumption, Saving, Production, Employment, and Investment: Forecasting and Simulation: Models and Applications]]></description>
  </classification>
  <classification language="English">
    <code>E29</code>
    <description><![CDATA[Consumption, Saving, Production, Investment, Labor Markets, and Informal Economy: Other]]></description>
  </classification>
  <classification language="English">
    <code>E30</code>
    <description><![CDATA[Prices, Business Fluctuations, and Cycles: General (includes Measurement and Data)]]></description>
  </classification>
  <classification language="English">
    <code>E31</code>
    <description><![CDATA[Price Level; Inflation; Deflation]]></description>
  </classification>
  <classification language="English">
    <code>E32</code>
    <description><![CDATA[Business Fluctuations; Cycles]]></description>
  </classification>
  <classification language="English">
    <code>E37</code>
    <description><![CDATA[Prices, Business Fluctuations, and Cycles: Forecasting and Simulation: Models and Applications]]></description>
  </classification>
  <classification language="English">
    <code>E39</code>
    <description><![CDATA[Prices, Business Fluctuations, and Cycles: Other]]></description>
  </classification>
  <classification language="English">
    <code>E40</code>
    <description><![CDATA[Money and Interest Rates: General]]></description>
  </classification>
  <classification language="English">
    <code>E41</code>
    <description><![CDATA[Demand for Money]]></description>
  </classification>
  <classification language="English">
    <code>E42</code>
    <description><![CDATA[Monetary Systems; Standards; Regimes; Government and the Monetary System; Payment Systems]]></description>
  </classification>
  <classification language="English">
    <code>E43</code>
    <description><![CDATA[Interest Rates: Determination, Term Structure, and Effects]]></description>
  </classification>
  <classification language="English">
    <code>E44</code>
    <description><![CDATA[Financial Markets and the Macroeconomy]]></description>
  </classification>
  <classification language="English">
    <code>E47</code>
    <description><![CDATA[Money and Interest Rates: Forecasting and Simulation: Models and Applications]]></description>
  </classification>
  <classification language="English">
    <code>E49</code>
    <description><![CDATA[Money and Interest Rates: Other]]></description>
  </classification>
  <classification language="English">
    <code>E50</code>
    <description><![CDATA[Monetary Policy, Central Banking, and the Supply of Money and Credit: General]]></description>
  </classification>
  <classification language="English">
    <code>E51</code>
    <description><![CDATA[Money Supply; Credit; Money Multipliers]]></description>
  </classification>
  <classification language="English">
    <code>E52</code>
    <description><![CDATA[Monetary Policy]]></description>
  </classification>
  <classification language="English">
    <code>E58</code>
    <description><![CDATA[Central Banks and Their Policies]]></description>
  </classification>
  <classification language="English">
    <code>E59</code>
    <description><![CDATA[Monetary Policy, Central Banking, and the Supply of Money and Credit: Other]]></description>
  </classification>
  <classification language="English">
    <code>E60</code>
    <description><![CDATA[Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General Outlook: General]]></description>
  </classification>
  <classification language="English">
    <code>E61</code>
    <description><![CDATA[Policy Objectives; Policy Designs and Consistency; Policy Coordination]]></description>
  </classification>
  <classification language="English">
    <code>E62</code>
    <description><![CDATA[Fiscal Policy; Modern Monetary Theory]]></description>
  </classification>
  <classification language="English">
    <code>E63</code>
    <description><![CDATA[Comparative or Joint Analysis of Fiscal and Monetary Policy; Stabilization; Treasury Policy]]></description>
  </classification>
  <classification language="English">
    <code>E64</code>
    <description><![CDATA[Incomes Policy; Price Policy]]></description>
  </classification>
  <classification language="English">
    <code>E65</code>
    <description><![CDATA[Studies of Particular Policy Episodes]]></description>
  </classification>
  <classification language="English">
    <code>E66</code>
    <description><![CDATA[General Outlook and Conditions]]></description>
  </classification>
  <classification language="English">
    <code>E69</code>
    <description><![CDATA[Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General Outlook: Other]]></description>
  </classification>
  <classification language="English">
    <code>E70</code>
    <description><![CDATA[Macro-Based Behavioral Economics: General]]></description>
  </classification>
  <classification language="English">
    <code>E71</code>
    <description><![CDATA[Macro-Based Behavioral Economics: Role and Effects of Psychological, Emotional, Social, and Cognitive Factors on the Macro Economy]]></description>
  </classification>
  <classification language="English">
    <code>F00</code>
    <description><![CDATA[International Economics: General]]></description>
  </classification>
  <classification language="English">
    <code>F01</code>
    <description><![CDATA[Global Outlook]]></description>
  </classification>
  <classification language="English">
    <code>F02</code>
    <description><![CDATA[International Economic Order and Integration]]></description>
  </classification>
  <classification language="English">
    <code>F10</code>
    <description><![CDATA[Trade: General]]></description>
  </classification>
  <classification language="English">
    <code>F11</code>
    <description><![CDATA[Neoclassical Models of Trade]]></description>
  </classification>
  <classification language="English">
    <code>F12</code>
    <description><![CDATA[Models of Trade with Imperfect Competition and Scale Economies; Fragmentation]]></description>
  </classification>
  <classification language="English">
    <code>F13</code>
    <description><![CDATA[Trade Policy; International Trade Organizations]]></description>
  </classification>
  <classification language="English">
    <code>F14</code>
    <description><![CDATA[Empirical Studies of Trade]]></description>
  </classification>
  <classification language="English">
    <code>F15</code>
    <description><![CDATA[Economic Integration]]></description>
  </classification>
  <classification language="English">
    <code>F16</code>
    <description><![CDATA[Trade and Labor Market Interactions]]></description>
  </classification>
  <classification language="English">
    <code>F17</code>
    <description><![CDATA[Trade: Forecasting and Simulation]]></description>
  </classification>
  <classification language="English">
    <code>F18</code>
    <description><![CDATA[Trade and Environment]]></description>
  </classification>
  <classification language="English">
    <code>F19</code>
    <description><![CDATA[Trade: Other]]></description>
  </classification>
  <classification language="English">
    <code>F20</code>
    <description><![CDATA[International Factor Movements and International Business: General]]></description>
  </classification>
  <classification language="English">
    <code>F21</code>
    <description><![CDATA[International Investment; Long-term Capital Movements]]></description>
  </classification>
  <classification language="English">
    <code>F22</code>
    <description><![CDATA[International Migration]]></description>
  </classification>
  <classification language="English">
    <code>F23</code>
    <description><![CDATA[Multinational Firms; International Business]]></description>
  </classification>
  <classification language="English">
    <code>F24</code>
    <description><![CDATA[Remittances]]></description>
  </classification>
  <classification language="English">
    <code>F29</code>
    <description><![CDATA[International Factor Movements: Other]]></description>
  </classification>
  <classification language="English">
    <code>F30</code>
    <description><![CDATA[International Finance: General]]></description>
  </classification>
  <classification language="English">
    <code>F31</code>
    <description><![CDATA[Foreign Exchange]]></description>
  </classification>
  <classification language="English">
    <code>F32</code>
    <description><![CDATA[Current Account Adjustment; Short-term Capital Movements]]></description>
  </classification>
  <classification language="English">
    <code>F33</code>
    <description><![CDATA[International Monetary Arrangements and Institutions]]></description>
  </classification>
  <classification language="English">
    <code>F34</code>
    <description><![CDATA[International Lending and Debt Problems]]></description>
  </classification>
  <classification language="English">
    <code>F35</code>
    <description><![CDATA[Foreign Aid]]></description>
  </classification>
  <classification language="English">
    <code>F36</code>
    <description><![CDATA[Financial Aspects of Economic Integration]]></description>
  </classification>
  <classification language="English">
    <code>F37</code>
    <description><![CDATA[International Finance Forecasting and Simulation: Models and Applications]]></description>
  </classification>
  <classification language="English">
    <code>F38</code>
    <description><![CDATA[International Financial Policy: Financial Transactions Tax; Capital Controls]]></description>
  </classification>
  <classification language="English">
    <code>F39</code>
    <description><![CDATA[International Finance: Other]]></description>
  </classification>
  <classification language="English">
    <code>F40</code>
    <description><![CDATA[Macroeconomic Aspects of International Trade and Finance: General]]></description>
  </classification>
  <classification language="English">
    <code>F41</code>
    <description><![CDATA[Open Economy Macroeconomics]]></description>
  </classification>
  <classification language="English">
    <code>F42</code>
    <description><![CDATA[International Policy Coordination and Transmission]]></description>
  </classification>
  <classification language="English">
    <code>F43</code>
    <description><![CDATA[Economic Growth of Open Economies]]></description>
  </classification>
  <classification language="English">
    <code>F44</code>
    <description><![CDATA[International Business Cycles]]></description>
  </classification>
  <classification language="English">
    <code>F45</code>
    <description><![CDATA[Macroeconomic Issues of Monetary Unions]]></description>
  </classification>
  <classification language="English">
    <code>F47</code>
    <description><![CDATA[Macroeconomic Aspects of International Trade and Finance: Forecasting and Simulation: Models and Applications]]></description>
  </classification>
  <classification language="English">
    <code>F49</code>
    <description><![CDATA[Macroeconomic Aspects of International Trade and Finance: Other]]></description>
  </classification>
  <classification language="English">
    <code>F50</code>
    <description><![CDATA[International Relations, National Security, and International Political Economy: General]]></description>
  </classification>
  <classification language="English">
    <code>F51</code>
    <description><![CDATA[International Conflicts; Negotiations; Sanctions]]></description>
  </classification>
  <classification language="English">
    <code>F52</code>
    <description><![CDATA[National Security; Economic Nationalism]]></description>
  </classification>
  <classification language="English">
    <code>F53</code>
    <description><![CDATA[International Agreements and Observance; International Organizations]]></description>
  </classification>
  <classification language="English">
    <code>F54</code>
    <description><![CDATA[Colonialism; Imperialism; Postcolonialism]]></description>
  </classification>
  <classification language="English">
    <code>F55</code>
    <description><![CDATA[International Institutional Arrangements]]></description>
  </classification>
  <classification language="English">
    <code>F59</code>
    <description><![CDATA[International Relations and International Political Economy: Other]]></description>
  </classification>
  <classification language="English">
    <code>F60</code>
    <description><![CDATA[Economic Impacts of Globalization: General]]></description>
  </classification>
  <classification language="English">
    <code>F61</code>
    <description><![CDATA[Economic Impacts of Globalization: Microeconomic Impacts]]></description>
  </classification>
  <classification language="English">
    <code>F62</code>
    <description><![CDATA[Economic Impacts of Globalization: Macroeconomic Impacts]]></description>
  </classification>
  <classification language="English">
    <code>F63</code>
    <description><![CDATA[Economic Impacts of Globalization: Economic Development]]></description>
  </classification>
  <classification language="English">
    <code>F64</code>
    <description><![CDATA[Economic Impacts of Globalization: Environment]]></description>
  </classification>
  <classification language="English">
    <code>F65</code>
    <description><![CDATA[Economic Impacts of Globalization: Finance]]></description>
  </classification>
  <classification language="English">
    <code>F66</code>
    <description><![CDATA[Economic Impacts of Globalization: Labor]]></description>
  </classification>
  <classification language="English">
    <code>F68</code>
    <description><![CDATA[Economic Impacts of Globalization: Policy]]></description>
  </classification>
  <classification language="English">
    <code>F69</code>
    <description><![CDATA[Economic Impacts of Globalization: Other]]></description>
  </classification>
  <classification language="English">
    <code>G00</code>
    <description><![CDATA[Financial Economics: General]]></description>
  </classification>
  <classification language="English">
    <code>G01</code>
    <description><![CDATA[Financial Crises]]></description>
  </classification>
  <classification language="English">
    <code>G10</code>
    <description><![CDATA[Asset Markets and Pricing]]></description>
  </classification>
  <classification language="English">
    <code>G11</code>
    <description><![CDATA[Portfolio Choice; Investment Decisions]]></description>
  </classification>
  <classification language="English">
    <code>G12</code>
    <description><![CDATA[Equities; Fixed Income Securities]]></description>
  </classification>
  <classification language="English">
    <code>G13</code>
    <description><![CDATA[Contingent Pricing; Futures Pricing; option pricing]]></description>
  </classification>
  <classification language="English">
    <code>G14</code>
    <description><![CDATA[Information and Market Efficiency; Event Studies; Insider Trading]]></description>
  </classification>
  <classification language="English">
    <code>G15</code>
    <description><![CDATA[International Financial Markets]]></description>
  </classification>
  <classification language="English">
    <code>G17</code>
    <description><![CDATA[Financial Forecasting and Simulation]]></description>
  </classification>
  <classification language="English">
    <code>G18</code>
    <description><![CDATA[General Financial Markets: Government Policy and Regulation]]></description>
  </classification>
  <classification language="English">
    <code>G19</code>
    <description><![CDATA[General Financial Markets: Other]]></description>
  </classification>
  <classification language="English">
    <code>G20</code>
    <description><![CDATA[Financial Institutions and Services: General]]></description>
  </classification>
  <classification language="English">
    <code>G21</code>
    <description><![CDATA[Banks; Depository Institutions; Micro Finance Institutions; Mortgages]]></description>
  </classification>
  <classification language="English">
    <code>G22</code>
    <description><![CDATA[Insurance; Insurance Companies; Actuarial Studies]]></description>
  </classification>
  <classification language="English">
    <code>G23</code>
    <description><![CDATA[Pension Funds; Non-bank Financial Institutions; Financial Instruments; Institutional Investors]]></description>
  </classification>
  <classification language="English">
    <code>G24</code>
    <description><![CDATA[Investment Banking; Venture Capital; Brokerage; Ratings and Ratings Agencies]]></description>
  </classification>
  <classification language="English">
    <code>G28</code>
    <description><![CDATA[Financial Institutions and Services: Government Policy and Regulation]]></description>
  </classification>
  <classification language="English">
    <code>G29</code>
    <description><![CDATA[Financial Institutions and Services: Other]]></description>
  </classification>
  <classification language="English">
    <code>G30</code>
    <description><![CDATA[Corporate Finance and Governance: General]]></description>
  </classification>
  <classification language="English">
    <code>G31</code>
    <description><![CDATA[Capital Budgeting; Fixed Investment and Inventory Studies; Capacity]]></description>
  </classification>
  <classification language="English">
    <code>G32</code>
    <description><![CDATA[Financing Policy; Financial Risk and Risk Management; Capital and Ownership Structure; Value of Firms; Goodwill]]></description>
  </classification>
  <classification language="English">
    <code>G33</code>
    <description><![CDATA[Bankruptcy; Liquidation]]></description>
  </classification>
  <classification language="English">
    <code>G34</code>
    <description><![CDATA[Mergers; Acquisitions; Restructuring; Voting; Proxy Contests; Corporate Governance]]></description>
  </classification>
  <classification language="English">
    <code>G35</code>
    <description><![CDATA[Payout Policy]]></description>
  </classification>
  <classification language="English">
    <code>G38</code>
    <description><![CDATA[Corporate Finance and Governance: Government Policy and Regulation]]></description>
  </classification>
  <classification language="English">
    <code>G39</code>
    <description><![CDATA[Corporate Finance and Governance: Other]]></description>
  </classification>
  <classification language="English">
    <code>G40</code>
    <description><![CDATA[Behavioral Finance: General]]></description>
  </classification>
  <classification language="English">
    <code>G41</code>
    <description><![CDATA[Behavioral Finance: Role and Effects of Psychological, Emotional, Social, and Cognitive Factors on Decision Making in Financial Markets]]></description>
  </classification>
  <classification language="English">
    <code>G50</code>
    <description><![CDATA[Household Finance: General]]></description>
  </classification>
  <classification language="English">
    <code>G51</code>
    <description><![CDATA[Household Saving, Borrowing, Debt, and Wealth]]></description>
  </classification>
  <classification language="English">
    <code>G52</code>
    <description><![CDATA[Household Finance: Insurance]]></description>
  </classification>
  <classification language="English">
    <code>G53</code>
    <description><![CDATA[Household Finance: Financial Literacy]]></description>
  </classification>
  <classification language="English">
    <code>G59</code>
    <description><![CDATA[Household Finance: Other]]></description>
  </classification>
  <classification language="English">
    <code>H00</code>
    <description><![CDATA[Public Economics: General]]></description>
  </classification>
  <classification language="English">
    <code>H10</code>
    <description><![CDATA[Structure and Scope of Government: General]]></description>
  </classification>
  <classification language="English">
    <code>H11</code>
    <description><![CDATA[Structure, Scope, and Performance of Government]]></description>
  </classification>
  <classification language="English">
    <code>H12</code>
    <description><![CDATA[Crisis Management]]></description>
  </classification>
  <classification language="English">
    <code>H13</code>
    <description><![CDATA[Economics of Eminent Domain; Expropriation; Nationalization]]></description>
  </classification>
  <classification language="English">
    <code>H19</code>
    <description><![CDATA[Structure and Scope of Government: Other]]></description>
  </classification>
  <classification language="English">
    <code>H20</code>
    <description><![CDATA[Taxation, Subsidies, and Revenue: General]]></description>
  </classification>
  <classification language="English">
    <code>H21</code>
    <description><![CDATA[Taxation and Subsidies: Efficiency; Optimal Taxation]]></description>
  </classification>
  <classification language="English">
    <code>H22</code>
    <description><![CDATA[Taxation and Subsidies: Incidence]]></description>
  </classification>
  <classification language="English">
    <code>H23</code>
    <description><![CDATA[Taxation and Subsidies: Externalities; Redistributive Effects; Environmental Taxes and Subsidies]]></description>
  </classification>
  <classification language="English">
    <code>H24</code>
    <description><![CDATA[Personal Income and Other Nonbusiness Taxes and Subsidies; includes inheritance and gift taxes]]></description>
  </classification>
  <classification language="English">
    <code>H25</code>
    <description><![CDATA[Business Taxes and Subsidies including sales and value-added (VAT)]]></description>
  </classification>
  <classification language="English">
    <code>H26</code>
    <description><![CDATA[Tax Evasion and Avoidance]]></description>
  </classification>
  <classification language="English">
    <code>H27</code>
    <description><![CDATA[Taxation, Subsidies, and Revenues: Other Sources of Revenue]]></description>
  </classification>
  <classification language="English">
    <code>H29</code>
    <description><![CDATA[Taxation and Subsidies: Other]]></description>
  </classification>
  <classification language="English">
    <code>H30</code>
    <description><![CDATA[Fiscal Policies and Behavior of Economic Agents: General]]></description>
  </classification>
  <classification language="English">
    <code>H31</code>
    <description><![CDATA[Fiscal Policies and Behavior of Economic Agents: Household]]></description>
  </classification>
  <classification language="English">
    <code>H32</code>
    <description><![CDATA[Fiscal Policies and Behavior of Economic Agents: Firm]]></description>
  </classification>
  <classification language="English">
    <code>H39</code>
    <description><![CDATA[Fiscal Policies and Behavior of Economic Agents: Other]]></description>
  </classification>
  <classification language="English">
    <code>H40</code>
    <description><![CDATA[Publicly Provided Goods: General]]></description>
  </classification>
  <classification language="English">
    <code>H41</code>
    <description><![CDATA[Public Goods]]></description>
  </classification>
  <classification language="English">
    <code>H42</code>
    <description><![CDATA[Publicly Provided Private Goods]]></description>
  </classification>
  <classification language="English">
    <code>H43</code>
    <description><![CDATA[Project Evaluation; Social Discount Rate]]></description>
  </classification>
  <classification language="English">
    <code>H44</code>
    <description><![CDATA[Publicly Provided Goods: Mixed Markets]]></description>
  </classification>
  <classification language="English">
    <code>H49</code>
    <description><![CDATA[Publicly Provided Goods: Other]]></description>
  </classification>
  <classification language="English">
    <code>H50</code>
    <description><![CDATA[National Government Expenditures and Related Policies: General]]></description>
  </classification>
  <classification language="English">
    <code>H51</code>
    <description><![CDATA[National Government Expenditures and Health]]></description>
  </classification>
  <classification language="English">
    <code>H52</code>
    <description><![CDATA[National Government Expenditures and Education]]></description>
  </classification>
  <classification language="English">
    <code>H53</code>
    <description><![CDATA[National Government Expenditures and Welfare Programs]]></description>
  </classification>
  <classification language="English">
    <code>H54</code>
    <description><![CDATA[National Government Expenditures and Related Policies: Infrastructures; Other Public Investment and Capital Stock]]></description>
  </classification>
  <classification language="English">
    <code>H55</code>
    <description><![CDATA[Social Security and Public Pensions]]></description>
  </classification>
  <classification language="English">
    <code>H56</code>
    <description><![CDATA[National Security and War]]></description>
  </classification>
  <classification language="English">
    <code>H57</code>
    <description><![CDATA[National Government Expenditures and Related Policies: Procurement]]></description>
  </classification>
  <classification language="English">
    <code>H59</code>
    <description><![CDATA[National Government Expenditures and Related Policies: Other]]></description>
  </classification>
  <classification language="English">
    <code>H60</code>
    <description><![CDATA[National Budget, Deficit, and Debt: General]]></description>
  </classification>
  <classification language="English">
    <code>H61</code>
    <description><![CDATA[National Budget; Budget Systems]]></description>
  </classification>
  <classification language="English">
    <code>H62</code>
    <description><![CDATA[National Deficit; Surplus]]></description>
  </classification>
  <classification language="English">
    <code>H63</code>
    <description><![CDATA[National Debt; Debt Management; Sovereign Debt]]></description>
  </classification>
  <classification language="English">
    <code>H68</code>
    <description><![CDATA[Forecasts of Budgets, Deficits, and Debt]]></description>
  </classification>
  <classification language="English">
    <code>H69</code>
    <description><![CDATA[National Budget, Deficit, and Debt: Other]]></description>
  </classification>
  <classification language="English">
    <code>H70</code>
    <description><![CDATA[State and Local Government; Intergovernmental Relations: General]]></description>
  </classification>
  <classification language="English">
    <code>H71</code>
    <description><![CDATA[State and Local Taxation, Subsidies, and Revenue]]></description>
  </classification>
  <classification language="English">
    <code>H72</code>
    <description><![CDATA[State and Local Budget and Expenditures]]></description>
  </classification>
  <classification language="English">
    <code>H73</code>
    <description><![CDATA[State and Local Government; Intergovernmental Relations: Interjurisdictional Differentials and Their Effects]]></description>
  </classification>
  <classification language="English">
    <code>H74</code>
    <description><![CDATA[State and Local Borrowing]]></description>
  </classification>
  <classification language="English">
    <code>H75</code>
    <description><![CDATA[State and Local Government: Health; Education; Welfare; Public Pensions]]></description>
  </classification>
  <classification language="English">
    <code>H76</code>
    <description><![CDATA[State and Local Government: Other Expenditure Categories]]></description>
  </classification>
  <classification language="English">
    <code>H77</code>
    <description><![CDATA[Intergovernmental Relations; Federalism; Secession]]></description>
  </classification>
  <classification language="English">
    <code>H79</code>
    <description><![CDATA[State and Local Government; Intergovernmental Relations: Other]]></description>
  </classification>
  <classification language="English">
    <code>H80</code>
    <description><![CDATA[Public Economics: Miscellaneous Issues: General]]></description>
  </classification>
  <classification language="English">
    <code>H81</code>
    <description><![CDATA[Governmental Loans; Loan Guarantees; Credits; Grants; Bailouts]]></description>
  </classification>
  <classification language="English">
    <code>H82</code>
    <description><![CDATA[Governmental Property]]></description>
  </classification>
  <classification language="English">
    <code>H83</code>
    <description><![CDATA[Public Administration; Public Sector Accounting and Audits]]></description>
  </classification>
  <classification language="English">
    <code>H84</code>
    <description><![CDATA[Disaster Aid]]></description>
  </classification>
  <classification language="English">
    <code>H87</code>
    <description><![CDATA[International Fiscal Issues; International Public Goods]]></description>
  </classification>
  <classification language="English">
    <code>H89</code>
    <description><![CDATA[Public Economics: Miscellaneous Issues: Other]]></description>
  </classification>
  <classification language="English">
    <code>I00</code>
    <description><![CDATA[Health, Education, and Welfare: General]]></description>
  </classification>
  <classification language="English">
    <code>I10</code>
    <description><![CDATA[Health: General]]></description>
  </classification>
  <classification language="English">
    <code>I11</code>
    <description><![CDATA[Analysis of Health Care Markets]]></description>
  </classification>
  <classification language="English">
    <code>I12</code>
    <description><![CDATA[Health Behavior]]></description>
  </classification>
  <classification language="English">
    <code>I13</code>
    <description><![CDATA[Health Insurance, Public and Private]]></description>
  </classification>
  <classification language="English">
    <code>I14</code>
    <description><![CDATA[Health and Inequality]]></description>
  </classification>
  <classification language="English">
    <code>I15</code>
    <description><![CDATA[Health and Economic Development]]></description>
  </classification>
  <classification language="English">
    <code>I18</code>
    <description><![CDATA[Health: Government Policy; Regulation; Public Health]]></description>
  </classification>
  <classification language="English">
    <code>I19</code>
    <description><![CDATA[Health: Other]]></description>
  </classification>
  <classification language="English">
    <code>I20</code>
    <description><![CDATA[Education and Research Institutions: General]]></description>
  </classification>
  <classification language="English">
    <code>I21</code>
    <description><![CDATA[Analysis of Education]]></description>
  </classification>
  <classification language="English">
    <code>I22</code>
    <description><![CDATA[Educational Finance; Financial Aid]]></description>
  </classification>
  <classification language="English">
    <code>I23</code>
    <description><![CDATA[Higher Education; Research Institutions]]></description>
  </classification>
  <classification language="English">
    <code>I24</code>
    <description><![CDATA[Education and Inequality]]></description>
  </classification>
  <classification language="English">
    <code>I25</code>
    <description><![CDATA[Education and Economic Development]]></description>
  </classification>
  <classification language="English">
    <code>I26</code>
    <description><![CDATA[Returns to Education]]></description>
  </classification>
  <classification language="English">
    <code>I28</code>
    <description><![CDATA[Education: Government Policy]]></description>
  </classification>
  <classification language="English">
    <code>I29</code>
    <description><![CDATA[Education: Other]]></description>
  </classification>
  <classification language="English">
    <code>I30</code>
    <description><![CDATA[Welfare, Well-Being, and Poverty: General]]></description>
  </classification>
  <classification language="English">
    <code>I31</code>
    <description><![CDATA[General Welfare; Well-Being]]></description>
  </classification>
  <classification language="English">
    <code>I32</code>
    <description><![CDATA[Measurement and Analysis of Poverty]]></description>
  </classification>
  <classification language="English">
    <code>I38</code>
    <description><![CDATA[Welfare, Well-Being, and Poverty: Government Programs; Provision and Effects of Welfare Programs]]></description>
  </classification>
  <classification language="English">
    <code>I39</code>
    <description><![CDATA[Welfare, Well-Being, and Poverty: Other]]></description>
  </classification>
  <classification language="English">
    <code>J00</code>
    <description><![CDATA[Labor and Demographic Economics: General]]></description>
  </classification>
  <classification language="English">
    <code>J01</code>
    <description><![CDATA[Labor Economics: General]]></description>
  </classification>
  <classification language="English">
    <code>J08</code>
    <description><![CDATA[Labor Economics Policies]]></description>
  </classification>
  <classification language="English">
    <code>J10</code>
    <description><![CDATA[Demographic Economics: General]]></description>
  </classification>
  <classification language="English">
    <code>J11</code>
    <description><![CDATA[Demographic Trends, Macroeconomic Effects, and Forecasts]]></description>
  </classification>
  <classification language="English">
    <code>J12</code>
    <description><![CDATA[Marriage; Marital Dissolution; Family Structure; Domestic Abuse]]></description>
  </classification>
  <classification language="English">
    <code>J13</code>
    <description><![CDATA[Fertility; Family Planning; Child Care; Children; Youth]]></description>
  </classification>
  <classification language="English">
    <code>J14</code>
    <description><![CDATA[Economics of the Elderly; Economics of Disability; Non-labor Market Discrimination]]></description>
  </classification>
  <classification language="English">
    <code>J15</code>
    <description><![CDATA[Economics of Minorities, Races, Indigenous Peoples, and Immigrants; Non-labor Discrimination]]></description>
  </classification>
  <classification language="English">
    <code>J16</code>
    <description><![CDATA[Economics of Gender; Non-labor Discrimination]]></description>
  </classification>
  <classification language="English">
    <code>J17</code>
    <description><![CDATA[Value of Life; Forgone Income]]></description>
  </classification>
  <classification language="English">
    <code>J18</code>
    <description><![CDATA[Demographic Economics: Public Policy]]></description>
  </classification>
  <classification language="English">
    <code>J19</code>
    <description><![CDATA[Demographic Economics: Other]]></description>
  </classification>
  <classification language="English">
    <code>J20</code>
    <description><![CDATA[Demand and Supply of Labor: General]]></description>
  </classification>
  <classification language="English">
    <code>J21</code>
    <description><![CDATA[Labor Force and Employment, Size, and Structure]]></description>
  </classification>
  <classification language="English">
    <code>J22</code>
    <description><![CDATA[Time Allocation and Labor Supply]]></description>
  </classification>
  <classification language="English">
    <code>J23</code>
    <description><![CDATA[Labor Demand]]></description>
  </classification>
  <classification language="English">
    <code>J24</code>
    <description><![CDATA[Human Capital; Skills; Occupational Choice; Labor Productivity]]></description>
  </classification>
  <classification language="English">
    <code>J26</code>
    <description><![CDATA[Retirement; Retirement Policies]]></description>
  </classification>
  <classification language="English">
    <code>J28</code>
    <description><![CDATA[Safety; Job Satisfaction; Related Public Policy]]></description>
  </classification>
  <classification language="English">
    <code>J29</code>
    <description><![CDATA[Time Allocation, Work Behavior, and Employment Determination: Other]]></description>
  </classification>
  <classification language="English">
    <code>J30</code>
    <description><![CDATA[Wages, Compensation, and Labor Costs: General]]></description>
  </classification>
  <classification language="English">
    <code>J31</code>
    <description><![CDATA[Wage Level and Structure; Wage Differentials]]></description>
  </classification>
  <classification language="English">
    <code>J32</code>
    <description><![CDATA[Nonwage Labor Costs and Benefits; Retirement Plans; Private Pensions]]></description>
  </classification>
  <classification language="English">
    <code>J33</code>
    <description><![CDATA[Compensation Packages; Payment Methods]]></description>
  </classification>
  <classification language="English">
    <code>J38</code>
    <description><![CDATA[Wages, Compensation, and Labor Costs: Public Policy]]></description>
  </classification>
  <classification language="English">
    <code>J39</code>
    <description><![CDATA[Wages, Compensation, and Labor Costs: Other]]></description>
  </classification>
  <classification language="English">
    <code>J40</code>
    <description><![CDATA[Particular Labor Markets: General]]></description>
  </classification>
  <classification language="English">
    <code>J41</code>
    <description><![CDATA[Labor Contracts]]></description>
  </classification>
  <classification language="English">
    <code>J42</code>
    <description><![CDATA[Monopsony; Segmented Labor Markets]]></description>
  </classification>
  <classification language="English">
    <code>J43</code>
    <description><![CDATA[Agricultural Labor Markets]]></description>
  </classification>
  <classification language="English">
    <code>J44</code>
    <description><![CDATA[Professional Labor Markets; Occupational Licensing]]></description>
  </classification>
  <classification language="English">
    <code>J45</code>
    <description><![CDATA[Public Sector Labor Markets]]></description>
  </classification>
  <classification language="English">
    <code>J46</code>
    <description><![CDATA[Informal Labor Markets]]></description>
  </classification>
  <classification language="English">
    <code>J47</code>
    <description><![CDATA[Coercive Labor Markets]]></description>
  </classification>
  <classification language="English">
    <code>J48</code>
    <description><![CDATA[Particular Labor Markets: Public Policy]]></description>
  </classification>
  <classification language="English">
    <code>J49</code>
    <description><![CDATA[Particular Labor Markets: Other]]></description>
  </classification>
  <classification language="English">
    <code>J50</code>
    <description><![CDATA[Labor-Management Relations, Trade Unions, and Collective Bargaining: General]]></description>
  </classification>
  <classification language="English">
    <code>J51</code>
    <description><![CDATA[Trade Unions: Objectives, Structure, and Effects]]></description>
  </classification>
  <classification language="English">
    <code>J52</code>
    <description><![CDATA[Dispute Resolution: Strikes, Arbitration, and Mediation; Collective Bargaining]]></description>
  </classification>
  <classification language="English">
    <code>J53</code>
    <description><![CDATA[Labor-Management Relations; Industrial Jurisprudence]]></description>
  </classification>
  <classification language="English">
    <code>J54</code>
    <description><![CDATA[Producer Cooperatives; Labor Managed Firms; Employee Ownership]]></description>
  </classification>
  <classification language="English">
    <code>J58</code>
    <description><![CDATA[Labor-Management Relations, Trade Unions, and Collective Bargaining: Public Policy]]></description>
  </classification>
  <classification language="English">
    <code>J59</code>
    <description><![CDATA[Labor-Management Relations, Trade Unions, and Collective Bargaining: Other]]></description>
  </classification>
  <classification language="English">
    <code>J60</code>
    <description><![CDATA[Mobility, Unemployment, Vacancies, and Immigrant Workers: General]]></description>
  </classification>
  <classification language="English">
    <code>J61</code>
    <description><![CDATA[Geographic Labor Mobility; Immigrant Workers]]></description>
  </classification>
  <classification language="English">
    <code>J62</code>
    <description><![CDATA[Job, Occupational, and Intergenerational Mobility; Promotion]]></description>
  </classification>
  <classification language="English">
    <code>J63</code>
    <description><![CDATA[Labor Turnover; Vacancies; Layoffs]]></description>
  </classification>
  <classification language="English">
    <code>J64</code>
    <description><![CDATA[Unemployment: Models, Duration, Incidence, and Job Search]]></description>
  </classification>
  <classification language="English">
    <code>J65</code>
    <description><![CDATA[Unemployment Insurance; Severance Pay; Plant Closings]]></description>
  </classification>
  <classification language="English">
    <code>J68</code>
    <description><![CDATA[Mobility, Unemployment, and Vacancies: Public Policy]]></description>
  </classification>
  <classification language="English">
    <code>J69</code>
    <description><![CDATA[Mobility, Unemployment, and Vacancies: Other]]></description>
  </classification>
  <classification language="English">
    <code>J70</code>
    <description><![CDATA[Labor Discrimination: General]]></description>
  </classification>
  <classification language="English">
    <code>J71</code>
    <description><![CDATA[Labor Discrimination]]></description>
  </classification>
  <classification language="English">
    <code>J78</code>
    <description><![CDATA[Labor Discrimination: Public Policy]]></description>
  </classification>
  <classification language="English">
    <code>J79</code>
    <description><![CDATA[Labor Discrimination: Other]]></description>
  </classification>
  <classification language="English">
    <code>J80</code>
    <description><![CDATA[Labor Standards: General]]></description>
  </classification>
  <classification language="English">
    <code>J81</code>
    <description><![CDATA[Labor Standards: Working Conditions]]></description>
  </classification>
  <classification language="English">
    <code>J82</code>
    <description><![CDATA[Labor Standards: Labor Force Composition]]></description>
  </classification>
  <classification language="English">
    <code>J83</code>
    <description><![CDATA[Labor Standards: Workers' Rights]]></description>
  </classification>
  <classification language="English">
    <code>J88</code>
    <description><![CDATA[Labor Standards: Public Policy]]></description>
  </classification>
  <classification language="English">
    <code>J89</code>
    <description><![CDATA[Labor Standards: Other]]></description>
  </classification>
  <classification language="English">
    <code>K00</code>
    <description><![CDATA[Law and Economics: General]]></description>
  </classification>
  <classification language="English">
    <code>K10</code>
    <description><![CDATA[Basic Areas of Law: General (Constitutional Law)]]></description>
  </classification>
  <classification language="English">
    <code>K11</code>
    <description><![CDATA[Property Law]]></description>
  </classification>
  <classification language="English">
    <code>K12</code>
    <description><![CDATA[Contract Law]]></description>
  </classification>
  <classification language="English">
    <code>K13</code>
    <description><![CDATA[Tort Law and Product Liability; Forensic Economics]]></description>
  </classification>
  <classification language="English">
    <code>K14</code>
    <description><![CDATA[Criminal Law]]></description>
  </classification>
  <classification language="English">
    <code>K15</code>
    <description><![CDATA[Civil Law; Common Law]]></description>
  </classification>
  <classification language="English">
    <code>K16</code>
    <description><![CDATA[Election Law]]></description>
  </classification>
  <classification language="English">
    <code>K19</code>
    <description><![CDATA[Basic Areas of Law: Other]]></description>
  </classification>
  <classification language="English">
    <code>K20</code>
    <description><![CDATA[Regulation and Business Law: General]]></description>
  </classification>
  <classification language="English">
    <code>K21</code>
    <description><![CDATA[Antitrust Law]]></description>
  </classification>
  <classification language="English">
    <code>K22</code>
    <description><![CDATA[Business and Securities Law]]></description>
  </classification>
  <classification language="English">
    <code>K23</code>
    <description><![CDATA[Regulated Industries and Administrative Law]]></description>
  </classification>
  <classification language="English">
    <code>K24</code>
    <description><![CDATA[Cyber Law]]></description>
  </classification>
  <classification language="English">
    <code>K25</code>
    <description><![CDATA[Real Estate Law]]></description>
  </classification>
  <classification language="English">
    <code>K29</code>
    <description><![CDATA[Regulation and Business Law: Other]]></description>
  </classification>
  <classification language="English">
    <code>K30</code>
    <description><![CDATA[Other Substantive Areas of Law: General]]></description>
  </classification>
  <classification language="English">
    <code>K31</code>
    <description><![CDATA[Labor Law]]></description>
  </classification>
  <classification language="English">
    <code>K32</code>
    <description><![CDATA[Energy, Environmental, Health, and Safety Law]]></description>
  </classification>
  <classification language="English">
    <code>K33</code>
    <description><![CDATA[International Law]]></description>
  </classification>
  <classification language="English">
    <code>K34</code>
    <description><![CDATA[Tax Law]]></description>
  </classification>
  <classification language="English">
    <code>K35</code>
    <description><![CDATA[Personal Bankruptcy Law]]></description>
  </classification>
  <classification language="English">
    <code>K36</code>
    <description><![CDATA[Family and Personal Law]]></description>
  </classification>
  <classification language="English">
    <code>K37</code>
    <description><![CDATA[Immigration Law]]></description>
  </classification>
  <classification language="English">
    <code>K38</code>
    <description><![CDATA[Human Rights Law; Gender Law; Animal Rights Law]]></description>
  </classification>
  <classification language="English">
    <code>K39</code>
    <description><![CDATA[Other Substantive Areas of Law: Other]]></description>
  </classification>
  <classification language="English">
    <code>K40</code>
    <description><![CDATA[Legal Procedure, the Legal System, and Illegal Behavior: General]]></description>
  </classification>
  <classification language="English">
    <code>K41</code>
    <description><![CDATA[Litigation Process]]></description>
  </classification>
  <classification language="English">
    <code>K42</code>
    <description><![CDATA[Illegal Behavior and the Enforcement of Law]]></description>
  </classification>
  <classification language="English">
    <code>K49</code>
    <description><![CDATA[Legal Procedure, the Legal System, and Illegal Behavior: Other]]></description>
  </classification>
  <classification language="English">
    <code>L00</code>
    <description><![CDATA[Industrial Organization: General]]></description>
  </classification>
  <classification language="English">
    <code>L10</code>
    <description><![CDATA[Market Structure, Firm Strategy, and Market Performance: General]]></description>
  </classification>
  <classification language="English">
    <code>L11</code>
    <description><![CDATA[Production, Pricing, and Market Structure; Size Distribution of Firms]]></description>
  </classification>
  <classification language="English">
    <code>L12</code>
    <description><![CDATA[Monopoly; Monopolization Strategies]]></description>
  </classification>
  <classification language="English">
    <code>L13</code>
    <description><![CDATA[Oligopoly and Other Imperfect Markets]]></description>
  </classification>
  <classification language="English">
    <code>L14</code>
    <description><![CDATA[Transactional Relationships; Contracts and Reputation; Networks]]></description>
  </classification>
  <classification language="English">
    <code>L15</code>
    <description><![CDATA[Information and Product Quality; Standardization and Compatibility]]></description>
  </classification>
  <classification language="English">
    <code>L16</code>
    <description><![CDATA[Industrial Organization and Macroeconomics: Industrial Structure and Structural Change; Industrial Price Indices]]></description>
  </classification>
  <classification language="English">
    <code>L17</code>
    <description><![CDATA[Open Source Products and Markets]]></description>
  </classification>
  <classification language="English">
    <code>L19</code>
    <description><![CDATA[Market Structure, Firm Strategy, and Market Performance: Other]]></description>
  </classification>
  <classification language="English">
    <code>L20</code>
    <description><![CDATA[Firm Objectives, Organization, and Behavior: General]]></description>
  </classification>
  <classification language="English">
    <code>L21</code>
    <description><![CDATA[Business Objectives of the Firm]]></description>
  </classification>
  <classification language="English">
    <code>L22</code>
    <description><![CDATA[Firm Organization and Market Structure]]></description>
  </classification>
  <classification language="English">
    <code>L23</code>
    <description><![CDATA[Organization of Production]]></description>
  </classification>
  <classification language="English">
    <code>L24</code>
    <description><![CDATA[Contracting Out; Joint Ventures; Technology Licensing]]></description>
  </classification>
  <classification language="English">
    <code>L25</code>
    <description><![CDATA[Firm Performance: Size, Diversification, and Scope]]></description>
  </classification>
  <classification language="English">
    <code>L26</code>
    <description><![CDATA[Entrepreneurship]]></description>
  </classification>
  <classification language="English">
    <code>L29</code>
    <description><![CDATA[Firm Objectives, Organization, and Behavior: Other]]></description>
  </classification>
  <classification language="English">
    <code>L30</code>
    <description><![CDATA[Nonprofit Organizations and Public Enterprise: General]]></description>
  </classification>
  <classification language="English">
    <code>L31</code>
    <description><![CDATA[Nonprofit Institutions; NGOs; Social Entrepreneurship]]></description>
  </classification>
  <classification language="English">
    <code>L32</code>
    <description><![CDATA[Public Enterprises; Public-Private Enterprises]]></description>
  </classification>
  <classification language="English">
    <code>L33</code>
    <description><![CDATA[Comparison of Public and Private Enterprises and Nonprofit Institutions; Privatization; Contracting Out]]></description>
  </classification>
  <classification language="English">
    <code>L38</code>
    <description><![CDATA[Public Policy]]></description>
  </classification>
  <classification language="English">
    <code>L39</code>
    <description><![CDATA[Nonprofit Organizations and Public Enterprise: Other]]></description>
  </classification>
  <classification language="English">
    <code>L40</code>
    <description><![CDATA[Antitrust Issues and Policies: General]]></description>
  </classification>
  <classification language="English">
    <code>L41</code>
    <description><![CDATA[Monopolization; Horizontal Anticompetitive Practices]]></description>
  </classification>
  <classification language="English">
    <code>L42</code>
    <description><![CDATA[Vertical Restraints; Resale Price Maintenance; Quantity Discounts]]></description>
  </classification>
  <classification language="English">
    <code>L43</code>
    <description><![CDATA[Legal Monopolies and Regulation or Deregulation]]></description>
  </classification>
  <classification language="English">
    <code>L44</code>
    <description><![CDATA[Antitrust Policy and Public Enterprises, Nonprofit Institutions, and Professional Organizations]]></description>
  </classification>
  <classification language="English">
    <code>L49</code>
    <description><![CDATA[Antitrust Policy: Other]]></description>
  </classification>
  <classification language="English">
    <code>L50</code>
    <description><![CDATA[Regulation and Industrial Policy: General]]></description>
  </classification>
  <classification language="English">
    <code>L51</code>
    <description><![CDATA[Economics of Regulation]]></description>
  </classification>
  <classification language="English">
    <code>L52</code>
    <description><![CDATA[Industrial Policy; Sectoral Planning Methods]]></description>
  </classification>
  <classification language="English">
    <code>L53</code>
    <description><![CDATA[Enterprise Policy]]></description>
  </classification>
  <classification language="English">
    <code>L59</code>
    <description><![CDATA[Regulation and Industrial Policy: Other]]></description>
  </classification>
  <classification language="English">
    <code>L60</code>
    <description><![CDATA[Industry Studies: Manufacturing: General]]></description>
  </classification>
  <classification language="English">
    <code>L61</code>
    <description><![CDATA[Metals and Metal Products; Cement; Glass; Ceramics]]></description>
  </classification>
  <classification language="English">
    <code>L62</code>
    <description><![CDATA[Automobiles; Other Transportation Equipment; Related Parts and Equipment]]></description>
  </classification>
  <classification language="English">
    <code>L63</code>
    <description><![CDATA[Microelectronics; Computers; Communications Equipment]]></description>
  </classification>
  <classification language="English">
    <code>L64</code>
    <description><![CDATA[Other Machinery; Business Equipment; Armaments]]></description>
  </classification>
  <classification language="English">
    <code>L65</code>
    <description><![CDATA[Chemicals; Rubber; Drugs; Biotechnology; Plastics]]></description>
  </classification>
  <classification language="English">
    <code>L66</code>
    <description><![CDATA[Food; Beverages; Cosmetics; Tobacco; Wine and Spirits]]></description>
  </classification>
  <classification language="English">
    <code>L67</code>
    <description><![CDATA[Other Consumer Nondurables: Clothing, Textiles, Shoes, and Leather Goods; Household Goods; Sports Equipment]]></description>
  </classification>
  <classification language="English">
    <code>L68</code>
    <description><![CDATA[Appliances; Furniture; Other Consumer Durables]]></description>
  </classification>
  <classification language="English">
    <code>L69</code>
    <description><![CDATA[Industry Studies: Manufacturing: Other]]></description>
  </classification>
  <classification language="English">
    <code>L70</code>
    <description><![CDATA[Industry Studies: Primary Products and Construction: General]]></description>
  </classification>
  <classification language="English">
    <code>L71</code>
    <description><![CDATA[Mining, Extraction, and Refining: Hydrocarbon Fuels]]></description>
  </classification>
  <classification language="English">
    <code>L72</code>
    <description><![CDATA[Mining, Extraction, and Refining: Other Nonrenewable Resources]]></description>
  </classification>
  <classification language="English">
    <code>L73</code>
    <description><![CDATA[Forest Products]]></description>
  </classification>
  <classification language="English">
    <code>L74</code>
    <description><![CDATA[Construction]]></description>
  </classification>
  <classification language="English">
    <code>L78</code>
    <description><![CDATA[Industry Studies: Primary Products and Construction: Government Policy]]></description>
  </classification>
  <classification language="English">
    <code>L79</code>
    <description><![CDATA[Industry Studies: Primary Products and Construction: Other]]></description>
  </classification>
  <classification language="English">
    <code>L80</code>
    <description><![CDATA[Industry Studies: Services: General]]></description>
  </classification>
  <classification language="English">
    <code>L81</code>
    <description><![CDATA[Retail and Wholesale Trade; e-Commerce]]></description>
  </classification>
  <classification language="English">
    <code>L82</code>
    <description><![CDATA[Entertainment; Media]]></description>
  </classification>
  <classification language="English">
    <code>L83</code>
    <description><![CDATA[Sports; Gambling; Restaurants; Recreation; Tourism]]></description>
  </classification>
  <classification language="English">
    <code>L84</code>
    <description><![CDATA[Personal, Professional, and Business Services]]></description>
  </classification>
  <classification language="English">
    <code>L85</code>
    <description><![CDATA[Real Estate Services]]></description>
  </classification>
  <classification language="English">
    <code>L86</code>
    <description><![CDATA[Information and Internet Services; Computer Software]]></description>
  </classification>
  <classification language="English">
    <code>L87</code>
    <description><![CDATA[Postal and Delivery Services]]></description>
  </classification>
  <classification language="English">
    <code>L88</code>
    <description><![CDATA[Industry Studies: Services: Government Policy]]></description>
  </classification>
  <classification language="English">
    <code>L89</code>
    <description><![CDATA[Industry Studies: Services: Other]]></description>
  </classification>
  <classification language="English">
    <code>L90</code>
    <description><![CDATA[Industry Studies: Transportation and Utilities: General]]></description>
  </classification>
  <classification language="English">
    <code>L91</code>
    <description><![CDATA[Transportation: General]]></description>
  </classification>
  <classification language="English">
    <code>L92</code>
    <description><![CDATA[Railroads and Other Surface Transportation]]></description>
  </classification>
  <classification language="English">
    <code>L93</code>
    <description><![CDATA[Air Transportation]]></description>
  </classification>
  <classification language="English">
    <code>L94</code>
    <description><![CDATA[Electric Utilities]]></description>
  </classification>
  <classification language="English">
    <code>L95</code>
    <description><![CDATA[Gas Utilities; Pipelines; Water Utilities]]></description>
  </classification>
  <classification language="English">
    <code>L96</code>
    <description><![CDATA[Telecommunications]]></description>
  </classification>
  <classification language="English">
    <code>L97</code>
    <description><![CDATA[Utilities: General]]></description>
  </classification>
  <classification language="English">
    <code>L98</code>
    <description><![CDATA[Industry Studies: Utilities and Transportation: Government Policy]]></description>
  </classification>
  <classification language="English">
    <code>L99</code>
    <description><![CDATA[Industry Studies: Utilities and Transportation: Other]]></description>
  </classification>
  <classification language="English">
    <code>M00</code>
    <description><![CDATA[Business Administration and Business Economics; Marketing; Accounting; Personnel Economics: General]]></description>
  </classification>
  <classification language="English">
    <code>M10</code>
    <description><![CDATA[Business Administration: General]]></description>
  </classification>
  <classification language="English">
    <code>M11</code>
    <description><![CDATA[Production Management]]></description>
  </classification>
  <classification language="English">
    <code>M12</code>
    <description><![CDATA[Personnel Management; Executives; Executive Compensation]]></description>
  </classification>
  <classification language="English">
    <code>M13</code>
    <description><![CDATA[New Firms; Startups]]></description>
  </classification>
  <classification language="English">
    <code>M14</code>
    <description><![CDATA[Corporate Culture; Diversity; Social Responsibility]]></description>
  </classification>
  <classification language="English">
    <code>M15</code>
    <description><![CDATA[IT Management]]></description>
  </classification>
  <classification language="English">
    <code>M16</code>
    <description><![CDATA[International Business Administration]]></description>
  </classification>
  <classification language="English">
    <code>M19</code>
    <description><![CDATA[Business Administration: Other]]></description>
  </classification>
  <classification language="English">
    <code>M20</code>
    <description><![CDATA[Business Economics: General]]></description>
  </classification>
  <classification language="English">
    <code>M21</code>
    <description><![CDATA[Business Economics]]></description>
  </classification>
  <classification language="English">
    <code>M29</code>
    <description><![CDATA[Business Economics: Other]]></description>
  </classification>
  <classification language="English">
    <code>M30</code>
    <description><![CDATA[Marketing and Advertising: General]]></description>
  </classification>
  <classification language="English">
    <code>M31</code>
    <description><![CDATA[Marketing]]></description>
  </classification>
  <classification language="English">
    <code>M37</code>
    <description><![CDATA[Advertising]]></description>
  </classification>
  <classification language="English">
    <code>M38</code>
    <description><![CDATA[Marketing and Advertising: Government Policy and Regulation]]></description>
  </classification>
  <classification language="English">
    <code>M39</code>
    <description><![CDATA[Marketing and Advertising: Other]]></description>
  </classification>
  <classification language="English">
    <code>M40</code>
    <description><![CDATA[Accounting and Auditing: General]]></description>
  </classification>
  <classification language="English">
    <code>M41</code>
    <description><![CDATA[Accounting]]></description>
  </classification>
  <classification language="English">
    <code>M42</code>
    <description><![CDATA[Auditing]]></description>
  </classification>
  <classification language="English">
    <code>M48</code>
    <description><![CDATA[Accounting and Auditing: Government Policy and Regulation]]></description>
  </classification>
  <classification language="English">
    <code>M49</code>
    <description><![CDATA[Accounting: Other]]></description>
  </classification>
  <classification language="English">
    <code>M50</code>
    <description><![CDATA[Personnel Economics: General]]></description>
  </classification>
  <classification language="English">
    <code>M51</code>
    <description><![CDATA[Personnel Economics: Firm Employment Decisions; Promotions]]></description>
  </classification>
  <classification language="English">
    <code>M52</code>
    <description><![CDATA[Personnel Economics: Compensation and Compensation Methods and Their Effects]]></description>
  </classification>
  <classification language="English">
    <code>M53</code>
    <description><![CDATA[Personnel Economics: Training]]></description>
  </classification>
  <classification language="English">
    <code>M54</code>
    <description><![CDATA[Personnel Economics: Labor Management]]></description>
  </classification>
  <classification language="English">
    <code>M55</code>
    <description><![CDATA[Personnel Economics: Labor Contracting Devices]]></description>
  </classification>
  <classification language="English">
    <code>M59</code>
    <description><![CDATA[Personnel Economics: Other]]></description>
  </classification>
  <classification language="English">
    <code>N00</code>
    <description><![CDATA[Economic History: General]]></description>
  </classification>
  <classification language="English">
    <code>N01</code>
    <description><![CDATA[Development of the Discipline: Historiographical; Sources and Methods]]></description>
  </classification>
  <classification language="English">
    <code>N10</code>
    <description><![CDATA[Economic History: Macroeconomics and Monetary Economics; Industrial Structure; Growth; Fluctuations: General, International, or Comparative]]></description>
  </classification>
  <classification language="English">
    <code>N11</code>
    <description><![CDATA[Economic History: Macroeconomics and Monetary Economics; Industrial Structure; Growth; Fluctuations: U.S.; Canada: Pre-1913]]></description>
  </classification>
  <classification language="English">
    <code>N12</code>
    <description><![CDATA[Economic History: Macroeconomics and Monetary Economics; Industrial Structure; Growth; Fluctuations: U.S.; Canada: 1913-]]></description>
  </classification>
  <classification language="English">
    <code>N13</code>
    <description><![CDATA[Economic History: Macroeconomics and Monetary Economics; Industrial Structure; Growth; Fluctuations: Europe: Pre-1913]]></description>
  </classification>
  <classification language="English">
    <code>N14</code>
    <description><![CDATA[Economic History: Macroeconomics and Monetary Economics; Industrial Structure; Growth; Fluctuations: Europe: 1913-]]></description>
  </classification>
  <classification language="English">
    <code>N15</code>
    <description><![CDATA[Economic History: Macroeconomics and Monetary Economics; Industrial Structure; Growth; Fluctuations: Asia including Middle East]]></description>
  </classification>
  <classification language="English">
    <code>N16</code>
    <description><![CDATA[Economic History: Macroeconomics and Monetary Economics; Industrial Structure; Growth; Fluctuations: Latin America; Caribbean]]></description>
  </classification>
  <classification language="English">
    <code>N17</code>
    <description><![CDATA[Economic History: Macroeconomics and Monetary Economics; Industrial Structure; Growth; Fluctuations: Africa; Oceania]]></description>
  </classification>
  <classification language="English">
    <code>N20</code>
    <description><![CDATA[Economic History: Financial Markets and Institutions: General, International, or Comparative]]></description>
  </classification>
  <classification language="English">
    <code>N21</code>
    <description><![CDATA[Economic History: Financial Markets and Institutions: U.S.; Canada: Pre-1913]]></description>
  </classification>
  <classification language="English">
    <code>N22</code>
    <description><![CDATA[Economic History: Financial Markets and Institutions: U.S.; Canada: 1913-]]></description>
  </classification>
  <classification language="English">
    <code>N23</code>
    <description><![CDATA[Economic History: Financial Markets and Institutions: Europe: Pre-1913]]></description>
  </classification>
  <classification language="English">
    <code>N24</code>
    <description><![CDATA[Economic History: Financial Markets and Institutions: Europe: 1913-]]></description>
  </classification>
  <classification language="English">
    <code>N25</code>
    <description><![CDATA[Economic History: Financial Markets and Institutions: Asia including Middle East]]></description>
  </classification>
  <classification language="English">
    <code>N26</code>
    <description><![CDATA[Economic History: Financial Markets and Institutions: Latin America; Caribbean]]></description>
  </classification>
  <classification language="English">
    <code>N27</code>
    <description><![CDATA[Economic History: Financial Markets and Institutions: Africa; Oceania]]></description>
  </classification>
  <classification language="English">
    <code>N30</code>
    <description><![CDATA[Economic History: Labor and Consumers, Demography, Education, Health, Welfare, Income, Wealth, Religion, and Philanthropy: General, International, or Comparative]]></description>
  </classification>
  <classification language="English">
    <code>N31</code>
    <description><![CDATA[Economic History: Labor and Consumers, Demography, Education, Health, Welfare, Income, Wealth, Religion, and Philanthropy: U.S.; Canada: Pre-1913]]></description>
  </classification>
  <classification language="English">
    <code>N32</code>
    <description><![CDATA[Economic History: Labor and Consumers, Demography, Education, Health, Welfare, Income, Wealth, Religion, and Philanthropy: U.S.; Canada: 1913-]]></description>
  </classification>
  <classification language="English">
    <code>N33</code>
    <description><![CDATA[Economic History: Labor and Consumers, Demography, Education, Health, Welfare, Income, Wealth, Religion, and Philanthropy: Europe: Pre-1913]]></description>
  </classification>
  <classification language="English">
    <code>N34</code>
    <description><![CDATA[Economic History: Labor and Consumers, Demography, Education, Health, Welfare, Income, Wealth, Religion, and Philanthropy: Europe: 1913-]]></description>
  </classification>
  <classification language="English">
    <code>N35</code>
    <description><![CDATA[Economic History: Labor and Consumers, Demography, Education, Health, Welfare, Income, Wealth, Religion, and Philanthropy: Asia including Middle East]]></description>
  </classification>
  <classification language="English">
    <code>N36</code>
    <description><![CDATA[Economic History: Labor and Consumers, Demography, Education, Health, Welfare, Income, Wealth, Religion, and Philanthropy: Latin America; Caribbean]]></description>
  </classification>
  <classification language="English">
    <code>N37</code>
    <description><![CDATA[Economic History: Labor and Consumers, Demography, Education, Health, Welfare, Income, Wealth, Religion, and Philanthropy: Africa; Oceania]]></description>
  </classification>
  <classification language="English">
    <code>N40</code>
    <description><![CDATA[Economic History: Government, War, Law, International Relations, and Regulation: General, International, or Comparative]]></description>
  </classification>
  <classification language="English">
    <code>N41</code>
    <description><![CDATA[Economic History: Government, War, Law, International Relations, and Regulation: U.S.; Canada: Pre-1913]]></description>
  </classification>
  <classification language="English">
    <code>N42</code>
    <description><![CDATA[Economic History: Government, War, Law, International Relations, and Regulation: U.S.; Canada: 1913-]]></description>
  </classification>
  <classification language="English">
    <code>N43</code>
    <description><![CDATA[Economic History: Government, War, Law, International Relations, and Regulation: Europe: Pre-1913]]></description>
  </classification>
  <classification language="English">
    <code>N44</code>
    <description><![CDATA[Economic History: Government, War, Law, International Relations, and Regulation: Europe: 1913-]]></description>
  </classification>
  <classification language="English">
    <code>N45</code>
    <description><![CDATA[Economic History: Government, War, Law, International Relations, and Regulation: Asia including Middle East]]></description>
  </classification>
  <classification language="English">
    <code>N46</code>
    <description><![CDATA[Economic History: Government, War, Law, International Relations, and Regulation: Latin America; Caribbean]]></description>
  </classification>
  <classification language="English">
    <code>N47</code>
    <description><![CDATA[Economic History: Government, War, Law, International Relations, and Regulation: Africa; Oceania]]></description>
  </classification>
  <classification language="English">
    <code>N50</code>
    <description><![CDATA[Economic History: Agriculture, Natural Resources, Environment, and Extractive Industries: General, International, or Comparative]]></description>
  </classification>
  <classification language="English">
    <code>N51</code>
    <description><![CDATA[Economic History: Agriculture, Natural Resources, Environment, and Extractive Industries: U.S.; Canada: Pre-1913]]></description>
  </classification>
  <classification language="English">
    <code>N52</code>
    <description><![CDATA[Economic History: Agriculture, Natural Resources, Environment, and Extractive Industries: U.S.; Canada: 1913-]]></description>
  </classification>
  <classification language="English">
    <code>N53</code>
    <description><![CDATA[Economic History: Agriculture, Natural Resources, Environment, and Extractive Industries: Europe: Pre-1913]]></description>
  </classification>
  <classification language="English">
    <code>N54</code>
    <description><![CDATA[Economic History: Agriculture, Natural Resources, Environment, and Extractive Industries: Europe: 1913-]]></description>
  </classification>
  <classification language="English">
    <code>N55</code>
    <description><![CDATA[Economic History: Agriculture, Natural Resources, Environment, and Extractive Industries: Asia including Middle East]]></description>
  </classification>
  <classification language="English">
    <code>N56</code>
    <description><![CDATA[Economic History: Agriculture, Natural Resources, Environment, and Extractive Industries: Latin America; Caribbean]]></description>
  </classification>
  <classification language="English">
    <code>N57</code>
    <description><![CDATA[Economic History: Agriculture, Natural Resources, Environment, and Extractive Industries: Africa; Oceania]]></description>
  </classification>
  <classification language="English">
    <code>N60</code>
    <description><![CDATA[Economic History: Manufacturing and Construction: General, International, or Comparative]]></description>
  </classification>
  <classification language="English">
    <code>N61</code>
    <description><![CDATA[Economic History: Manufacturing and Construction: U.S.; Canada: Pre-1913]]></description>
  </classification>
  <classification language="English">
    <code>N62</code>
    <description><![CDATA[Economic History: Manufacturing and Construction: U.S.; Canada: 1913-]]></description>
  </classification>
  <classification language="English">
    <code>N63</code>
    <description><![CDATA[Economic History: Manufacturing and Construction: Europe: Pre-1913]]></description>
  </classification>
  <classification language="English">
    <code>N64</code>
    <description><![CDATA[Economic History: Manufacturing and Construction: Europe: 1913-]]></description>
  </classification>
  <classification language="English">
    <code>N65</code>
    <description><![CDATA[Economic History: Manufacturing and Construction: Asia including Middle East]]></description>
  </classification>
  <classification language="English">
    <code>N66</code>
    <description><![CDATA[Economic History: Manufacturing and Construction: Latin America; Caribbean]]></description>
  </classification>
  <classification language="English">
    <code>N67</code>
    <description><![CDATA[Economic History: Manufacturing and Construction: Africa; Oceania]]></description>
  </classification>
  <classification language="English">
    <code>N70</code>
    <description><![CDATA[Economic History: Transport, International and Domestic Trade, Energy, Technology, and Other Services: General, International, or Comparative]]></description>
  </classification>
  <classification language="English">
    <code>N71</code>
    <description><![CDATA[Economic History: Transport, Trade, Energy, Technology, and Other Services: U.S.; Canada: Pre-1913]]></description>
  </classification>
  <classification language="English">
    <code>N72</code>
    <description><![CDATA[Economic History: Transport, Trade, Energy, Technology, and Other Services: U.S.; Canada: 1913-]]></description>
  </classification>
  <classification language="English">
    <code>N73</code>
    <description><![CDATA[Economic History: Transport, Trade, Energy, Technology, and Other Services: Europe: Pre-1913]]></description>
  </classification>
  <classification language="English">
    <code>N74</code>
    <description><![CDATA[Economic History: Transport, Trade, Energy, Technology, and Other Services: Europe: 1913-]]></description>
  </classification>
  <classification language="English">
    <code>N75</code>
    <description><![CDATA[Economic History: Transport, Trade, Energy, Technology, and Other Services: Asia including Middle East]]></description>
  </classification>
  <classification language="English">
    <code>N76</code>
    <description><![CDATA[Economic History: Transport, Trade, Energy, Technology, and Other Services: Latin America; Caribbean]]></description>
  </classification>
  <classification language="English">
    <code>N77</code>
    <description><![CDATA[Economic History: Transport, Trade, Energy, Technology, and Other Services: Africa; Oceania]]></description>
  </classification>
  <classification language="English">
    <code>N80</code>
    <description><![CDATA[Micro-Business History: General, International, or Comparative]]></description>
  </classification>
  <classification language="English">
    <code>N81</code>
    <description><![CDATA[Micro-Business History: U.S.; Canada: Pre-1913]]></description>
  </classification>
  <classification language="English">
    <code>N82</code>
    <description><![CDATA[Micro-Business History: U.S.; Canada: 1913-]]></description>
  </classification>
  <classification language="English">
    <code>N83</code>
    <description><![CDATA[Micro-Business History: Europe: Pre-1913]]></description>
  </classification>
  <classification language="English">
    <code>N84</code>
    <description><![CDATA[Micro-Business History: Europe: 1913-]]></description>
  </classification>
  <classification language="English">
    <code>N85</code>
    <description><![CDATA[Micro-Business History: Asia including Middle East]]></description>
  </classification>
  <classification language="English">
    <code>N86</code>
    <description><![CDATA[Micro-Business History: Latin America; Caribbean]]></description>
  </classification>
  <classification language="English">
    <code>N87</code>
    <description><![CDATA[Micro-Business History: Africa; Oceania]]></description>
  </classification>
  <classification language="English">
    <code>N90</code>
    <description><![CDATA[Regional and Urban History: General]]></description>
  </classification>
  <classification language="English">
    <code>N91</code>
    <description><![CDATA[Regional and Urban History: U.S.; Canada: Pre-1913]]></description>
  </classification>
  <classification language="English">
    <code>N92</code>
    <description><![CDATA[Regional and Urban History: U.S.; Canada: 1913-]]></description>
  </classification>
  <classification language="English">
    <code>N93</code>
    <description><![CDATA[Regional and Urban History: Europe: Pre-1913]]></description>
  </classification>
  <classification language="English">
    <code>N94</code>
    <description><![CDATA[Regional and Urban History: Europe: 1913-]]></description>
  </classification>
  <classification language="English">
    <code>N95</code>
    <description><![CDATA[Regional and Urban History: Asia including Middle East]]></description>
  </classification>
  <classification language="English">
    <code>N96</code>
    <description><![CDATA[Regional and Urban History: Latin America; Caribbean]]></description>
  </classification>
  <classification language="English">
    <code>N97</code>
    <description><![CDATA[Regional and Urban History: Africa; Oceania]]></description>
  </classification>
  <classification language="English">
    <code>O00</code>
    <description><![CDATA[Economic Development, Innovation, Technological Change, and Growth]]></description>
  </classification>
  <classification language="English">
    <code>O10</code>
    <description><![CDATA[Economic Development: General]]></description>
  </classification>
  <classification language="English">
    <code>O11</code>
    <description><![CDATA[Macroeconomic Analyses of Economic Development]]></description>
  </classification>
  <classification language="English">
    <code>O12</code>
    <description><![CDATA[Microeconomic Analyses of Economic Development]]></description>
  </classification>
  <classification language="English">
    <code>O13</code>
    <description><![CDATA[Economic Development: Agriculture; Natural Resources; Energy; Environment; Other Primary Products]]></description>
  </classification>
  <classification language="English">
    <code>O14</code>
    <description><![CDATA[Industrialization; Manufacturing and Service Industries; Choice of Technology]]></description>
  </classification>
  <classification language="English">
    <code>O15</code>
    <description><![CDATA[Economic Development: Human Resources; Human Development; Income Distribution; Migration]]></description>
  </classification>
  <classification language="English">
    <code>O16</code>
    <description><![CDATA[Economic Development: Financial Markets; Saving and Capital Investment; Corporate Finance and Governance]]></description>
  </classification>
  <classification language="English">
    <code>O17</code>
    <description><![CDATA[Formal and Informal Sectors; Shadow Economy; Institutional Arrangements]]></description>
  </classification>
  <classification language="English">
    <code>O18</code>
    <description><![CDATA[Economic Development: Urban, Rural, Regional, and Transportation Analysis; Housing; Infrastructure]]></description>
  </classification>
  <classification language="English">
    <code>O19</code>
    <description><![CDATA[International Linkages to Development; Role of International Organizations]]></description>
  </classification>
  <classification language="English">
    <code>O20</code>
    <description><![CDATA[Development Planning and Policy: General]]></description>
  </classification>
  <classification language="English">
    <code>O21</code>
    <description><![CDATA[Planning Models; Planning Policy]]></description>
  </classification>
  <classification language="English">
    <code>O22</code>
    <description><![CDATA[Project Analysis]]></description>
  </classification>
  <classification language="English">
    <code>O23</code>
    <description><![CDATA[Fiscal and Monetary Policy in Development]]></description>
  </classification>
  <classification language="English">
    <code>O24</code>
    <description><![CDATA[Development Planning and Policy: Trade Policy; Factor Movement; Foreign Exchange Policy]]></description>
  </classification>
  <classification language="English">
    <code>O25</code>
    <description><![CDATA[Industrial Policy]]></description>
  </classification>
  <classification language="English">
    <code>O29</code>
    <description><![CDATA[Development Planning and Policy: Other]]></description>
  </classification>
  <classification language="English">
    <code>O30</code>
    <description><![CDATA[Innovation; Research and Development; Technological Change; Intellectual Property Rights: General]]></description>
  </classification>
  <classification language="English">
    <code>O31</code>
    <description><![CDATA[Innovation and Invention: Processes and Incentives]]></description>
  </classification>
  <classification language="English">
    <code>O32</code>
    <description><![CDATA[Management of Technological Innovation and R&D]]></description>
  </classification>
  <classification language="English">
    <code>O33</code>
    <description><![CDATA[Technological Change: Choices and Consequences; Diffusion Processes]]></description>
  </classification>
  <classification language="English">
    <code>O34</code>
    <description><![CDATA[Intellectual Property and Intellectual Capital]]></description>
  </classification>
  <classification language="English">
    <code>O35</code>
    <description><![CDATA[Social Innovation]]></description>
  </classification>
  <classification language="English">
    <code>O36</code>
    <description><![CDATA[Open Innovation]]></description>
  </classification>
  <classification language="English">
    <code>O38</code>
    <description><![CDATA[Technological Change: Government Policy]]></description>
  </classification>
  <classification language="English">
    <code>O39</code>
    <description><![CDATA[Technological Change: Other]]></description>
  </classification>
  <classification language="English">
    <code>O40</code>
    <description><![CDATA[Economic Growth and Aggregate Productivity: General]]></description>
  </classification>
  <classification language="English">
    <code>O41</code>
    <description><![CDATA[One, Two, and Multisector Growth Models]]></description>
  </classification>
  <classification language="English">
    <code>O42</code>
    <description><![CDATA[Monetary Growth Models]]></description>
  </classification>
  <classification language="English">
    <code>O43</code>
    <description><![CDATA[Institutions and Growth]]></description>
  </classification>
  <classification language="English">
    <code>O44</code>
    <description><![CDATA[Environment and Growth]]></description>
  </classification>
  <classification language="English">
    <code>O47</code>
    <description><![CDATA[Empirical Studies of Economic Growth; Aggregate Productivity; Cross-Country Output Convergence]]></description>
  </classification>
  <classification language="English">
    <code>O49</code>
    <description><![CDATA[Economic Growth and Aggregate Productivity: Other]]></description>
  </classification>
  <classification language="English">
    <code>O50</code>
    <description><![CDATA[Economywide Country Studies: General]]></description>
  </classification>
  <classification language="English">
    <code>O51</code>
    <description><![CDATA[Economywide Country Studies: U.S.; Canada]]></description>
  </classification>
  <classification language="English">
    <code>O52</code>
    <description><![CDATA[Economywide Country Studies: Europe]]></description>
  </classification>
  <classification language="English">
    <code>O53</code>
    <description><![CDATA[Economywide Country Studies: Asia including Middle East]]></description>
  </classification>
  <classification language="English">
    <code>O54</code>
    <description><![CDATA[Economywide Country Studies: Latin America; Caribbean]]></description>
  </classification>
  <classification language="English">
    <code>O55</code>
    <description><![CDATA[Economywide Country Studies: Africa]]></description>
  </classification>
  <classification language="English">
    <code>O56</code>
    <description><![CDATA[Economywide Country Studies: Oceania]]></description>
  </classification>
  <classification language="English">
    <code>O57</code>
    <description><![CDATA[Comparative Studies of Countries]]></description>
  </classification>
  <classification language="English">
    <code>P00</code>
    <description><![CDATA[Political Economy and Comparative Economic Systems: General]]></description>
  </classification>
  <classification language="English">
    <code>P10</code>
    <description><![CDATA[Capitalist Economies: General]]></description>
  </classification>
  <classification language="English">
    <code>P11</code>
    <description><![CDATA[Capitalist Economies: Planning, Coordination, and Reform]]></description>
  </classification>
  <classification language="English">
    <code>P12</code>
    <description><![CDATA[Capitalist Enterprises]]></description>
  </classification>
  <classification language="English">
    <code>P13</code>
    <description><![CDATA[Cooperative Enterprises]]></description>
  </classification>
  <classification language="English">
    <code>P14</code>
    <description><![CDATA[Capitalist Economies: Property Rights]]></description>
  </classification>
  <classification language="English">
    <code>P16</code>
    <description><![CDATA[Capitalist Institutions; Welfare State]]></description>
  </classification>
  <classification language="English">
    <code>P17</code>
    <description><![CDATA[Capitalist Economies: Performance and Prospects]]></description>
  </classification>
  <classification language="English">
    <code>P18</code>
    <description><![CDATA[Energy; Environment]]></description>
  </classification>
  <classification language="English">
    <code>P19</code>
    <description><![CDATA[Capitalist Economies: Other]]></description>
  </classification>
  <classification language="English">
    <code>P20</code>
    <description><![CDATA[Socialist and Transition Economies: General]]></description>
  </classification>
  <classification language="English">
    <code>P21</code>
    <description><![CDATA[Socialist and Transitional Economies: Planning, Coordination, and Reform]]></description>
  </classification>
  <classification language="English">
    <code>P22</code>
    <description><![CDATA[Socialist and Transitional Economies: Prices]]></description>
  </classification>
  <classification language="English">
    <code>P23</code>
    <description><![CDATA[Socialist and Transitional Economies: Factor and Product Markets; Industry Studies; Population]]></description>
  </classification>
  <classification language="English">
    <code>P24</code>
    <description><![CDATA[Socialist and Transitional Economies: National Income, Product, and Expenditure; Money; Inflation]]></description>
  </classification>
  <classification language="English">
    <code>P25</code>
    <description><![CDATA[Socialist and Transitional Economies: Urban, Rural, and Regional Economics]]></description>
  </classification>
  <classification language="English">
    <code>P26</code>
    <description><![CDATA[Socialist and Transitional Economies: Property Rights]]></description>
  </classification>
  <classification language="English">
    <code>P27</code>
    <description><![CDATA[Socialist and Transitional Economies: Performance and Prospects]]></description>
  </classification>
  <classification language="English">
    <code>P28</code>
    <description><![CDATA[Socialist and Transitional Economies: Natural Resources; Energy; Environment]]></description>
  </classification>
  <classification language="English">
    <code>P29</code>
    <description><![CDATA[Socialist and Transitional Economies: Other]]></description>
  </classification>
  <classification language="English">
    <code>P30</code>
    <description><![CDATA[Socialist Institutions and Their Transitions: General]]></description>
  </classification>
  <classification language="English">
    <code>P31</code>
    <description><![CDATA[Socialist Enterprises and Their Transitions]]></description>
  </classification>
  <classification language="English">
    <code>P32</code>
    <description><![CDATA[Collectives; Communes; Agriculture]]></description>
  </classification>
  <classification language="English">
    <code>P33</code>
    <description><![CDATA[Socialist Institutions and Their Transitions: International Trade, Finance, Investment, Relations, and Aid]]></description>
  </classification>
  <classification language="English">
    <code>P34</code>
    <description><![CDATA[Socialist Institutions and Their Transitions: Financial Economics]]></description>
  </classification>
  <classification language="English">
    <code>P35</code>
    <description><![CDATA[Socialist Institutions and Their Transitions: Public Economics]]></description>
  </classification>
  <classification language="English">
    <code>P36</code>
    <description><![CDATA[Socialist Institutions and Their Transitions: Consumer Economics; Health; Education and Training: Welfare, Income, Wealth, and Poverty]]></description>
  </classification>
  <classification language="English">
    <code>P37</code>
    <description><![CDATA[Socialist Systems and Transitional Economies: Legal Institutions; Illegal Behavior]]></description>
  </classification>
  <classification language="English">
    <code>P39</code>
    <description><![CDATA[Socialist Institutions and Their Transitions: Other]]></description>
  </classification>
  <classification language="English">
    <code>P40</code>
    <description><![CDATA[Other Economic Systems: General]]></description>
  </classification>
  <classification language="English">
    <code>P41</code>
    <description><![CDATA[Other Economic Systems: Planning, Coordination, and Reform]]></description>
  </classification>
  <classification language="English">
    <code>P42</code>
    <description><![CDATA[Other Economic Systems: Productive Enterprises; Factor and Product Markets; Prices; Population]]></description>
  </classification>
  <classification language="English">
    <code>P43</code>
    <description><![CDATA[Other Economic Systems: Public Economics; Financial Economics]]></description>
  </classification>
  <classification language="English">
    <code>P44</code>
    <description><![CDATA[Other Economic Systems: National Income, Product, and Expenditure; Money; Inflation]]></description>
  </classification>
  <classification language="English">
    <code>P45</code>
    <description><![CDATA[Other Economic Systems: International Trade, Finance, Investment and Aid]]></description>
  </classification>
  <classification language="English">
    <code>P46</code>
    <description><![CDATA[Other Economic Systems: Consumer Economics; Health; Education and Training; Welfare, Income, Wealth, and Poverty]]></description>
  </classification>
  <classification language="English">
    <code>P47</code>
    <description><![CDATA[Other Economic Systems: Performance and Prospects]]></description>
  </classification>
  <classification language="English">
    <code>P48</code>
    <description><![CDATA[Other Economic Systems: Legal Institutions; Property Rights; Natural Resources; Energy; Environment; Regional Studies]]></description>
  </classification>
  <classification language="English">
    <code>P49</code>
    <description><![CDATA[Other Economic Systems: Other]]></description>
  </classification>
  <classification language="English">
    <code>P50</code>
    <description><![CDATA[Comparative Economic Systems: General]]></description>
  </classification>
  <classification language="English">
    <code>P51</code>
    <description><![CDATA[Comparative Analysis of Economic Systems]]></description>
  </classification>
  <classification language="English">
    <code>P52</code>
    <description><![CDATA[Comparative Studies of Particular Economies]]></description>
  </classification>
  <classification language="English">
    <code>P59</code>
    <description><![CDATA[Comparative Economic Systems: Other]]></description>
  </classification>
  <classification language="English">
    <code>Q00</code>
    <description><![CDATA[Agricultural and Natural Resource Economics; Environmental and Ecological Economics: General]]></description>
  </classification>
  <classification language="English">
    <code>Q01</code>
    <description><![CDATA[Sustainable Development]]></description>
  </classification>
  <classification language="English">
    <code>Q02</code>
    <description><![CDATA[Commodity Markets]]></description>
  </classification>
  <classification language="English">
    <code>Q10</code>
    <description><![CDATA[Agriculture: General]]></description>
  </classification>
  <classification language="English">
    <code>Q11</code>
    <description><![CDATA[Agriculture: Aggregate Supply and Demand Analysis; Prices]]></description>
  </classification>
  <classification language="English">
    <code>Q12</code>
    <description><![CDATA[Micro Analysis of Farm Firms, Farm Households, and Farm Input Markets]]></description>
  </classification>
  <classification language="English">
    <code>Q13</code>
    <description><![CDATA[Agricultural Markets and Marketing; Cooperatives; Agribusiness]]></description>
  </classification>
  <classification language="English">
    <code>Q14</code>
    <description><![CDATA[Agricultural Finance]]></description>
  </classification>
  <classification language="English">
    <code>Q15</code>
    <description><![CDATA[Land Ownership and Tenure; Land Reform; Land Use; Irrigation; Agriculture and Environment]]></description>
  </classification>
  <classification language="English">
    <code>Q16</code>
    <description><![CDATA[Agricultural R&D; Agricultural Technology; Biofuels; Agricultural Extension Services]]></description>
  </classification>
  <classification language="English">
    <code>Q17</code>
    <description><![CDATA[Agriculture in International Trade]]></description>
  </classification>
  <classification language="English">
    <code>Q18</code>
    <description><![CDATA[Agricultural Policy; Food Policy; Animal Welfare Policy]]></description>
  </classification>
  <classification language="English">
    <code>Q19</code>
    <description><![CDATA[Agriculture: Other]]></description>
  </classification>
  <classification language="English">
    <code>Q20</code>
    <description><![CDATA[Renewable Resources and Conservation: General]]></description>
  </classification>
  <classification language="English">
    <code>Q21</code>
    <description><![CDATA[Renewable Resources and Conservation: Demand and Supply; Prices]]></description>
  </classification>
  <classification language="English">
    <code>Q22</code>
    <description><![CDATA[Renewable Resources and Conservation: Fishery; Aquaculture]]></description>
  </classification>
  <classification language="English">
    <code>Q23</code>
    <description><![CDATA[Renewable Resources and Conservation: Forestry]]></description>
  </classification>
  <classification language="English">
    <code>Q24</code>
    <description><![CDATA[Renewable Resources and Conservation: Land]]></description>
  </classification>
  <classification language="English">
    <code>Q25</code>
    <description><![CDATA[Renewable Resources and Conservation: Water]]></description>
  </classification>
  <classification language="English">
    <code>Q26</code>
    <description><![CDATA[Recreational Aspects of Natural Resources]]></description>
  </classification>
  <classification language="English">
    <code>Q27</code>
    <description><![CDATA[Renewable Resources and Conservation: Issues in International Trade]]></description>
  </classification>
  <classification language="English">
    <code>Q28</code>
    <description><![CDATA[Renewable Resources and Conservation: Government Policy]]></description>
  </classification>
  <classification language="English">
    <code>Q29</code>
    <description><![CDATA[Renewable Resources and Conservation: Other]]></description>
  </classification>
  <classification language="English">
    <code>Q30</code>
    <description><![CDATA[Nonrenewable Resources and Conservation: General]]></description>
  </classification>
  <classification language="English">
    <code>Q31</code>
    <description><![CDATA[Nonrenewable Resources and Conservation: Demand and Supply; Prices]]></description>
  </classification>
  <classification language="English">
    <code>Q32</code>
    <description><![CDATA[Exhaustible Resources and Economic Development]]></description>
  </classification>
  <classification language="English">
    <code>Q33</code>
    <description><![CDATA[Resource Booms]]></description>
  </classification>
  <classification language="English">
    <code>Q34</code>
    <description><![CDATA[Natural Resources and Domestic and International Conflicts]]></description>
  </classification>
  <classification language="English">
    <code>Q35</code>
    <description><![CDATA[Hydrocarbon Resources]]></description>
  </classification>
  <classification language="English">
    <code>Q37</code>
    <description><![CDATA[Nonrenewable Resources and Conservation: Issues in International Trade]]></description>
  </classification>
  <classification language="English">
    <code>Q38</code>
    <description><![CDATA[Nonrenewable Resources and Conservation: Government Policy]]></description>
  </classification>
  <classification language="English">
    <code>Q39</code>
    <description><![CDATA[Nonrenewable Resources and Conservation: Other]]></description>
  </classification>
  <classification language="English">
    <code>Q40</code>
    <description><![CDATA[Energy: General]]></description>
  </classification>
  <classification language="English">
    <code>Q41</code>
    <description><![CDATA[Energy: Demand and Supply; Prices]]></description>
  </classification>
  <classification language="English">
    <code>Q42</code>
    <description><![CDATA[Alternative Energy Sources]]></description>
  </classification>
  <classification language="English">
    <code>Q43</code>
    <description><![CDATA[Energy and the Macroeconomy]]></description>
  </classification>
  <classification language="English">
    <code>Q47</code>
    <description><![CDATA[Energy Forecasting]]></description>
  </classification>
  <classification language="English">
    <code>Q48</code>
    <description><![CDATA[Energy: Government Policy]]></description>
  </classification>
  <classification language="English">
    <code>Q49</code>
    <description><![CDATA[Energy: Other]]></description>
  </classification>
  <classification language="English">
    <code>Q50</code>
    <description><![CDATA[Environmental Economics: General]]></description>
  </classification>
  <classification language="English">
    <code>Q51</code>
    <description><![CDATA[Valuation of Environmental Effects]]></description>
  </classification>
  <classification language="English">
    <code>Q52</code>
    <description><![CDATA[Pollution Control Adoption and Costs; Distributional Effects; Employment Effects]]></description>
  </classification>
  <classification language="English">
    <code>Q53</code>
    <description><![CDATA[Air Pollution; Water Pollution; Noise; Hazardous Waste; Solid Waste; Recycling]]></description>
  </classification>
  <classification language="English">
    <code>Q54</code>
    <description><![CDATA[Climate; Natural Disasters and Their Management; Global Warming]]></description>
  </classification>
  <classification language="English">
    <code>Q55</code>
    <description><![CDATA[Environmental Economics: Technological Innovation]]></description>
  </classification>
  <classification language="English">
    <code>Q56</code>
    <description><![CDATA[Environment and Development; Environment and Trade; Sustainability; Environmental Accounts and Accounting; Environmental Equity; Population Growth]]></description>
  </classification>
  <classification language="English">
    <code>Q57</code>
    <description><![CDATA[Ecological Economics: Ecosystem Services; Biodiversity Conservation; Bioeconomics; Industrial Ecology]]></description>
  </classification>
  <classification language="English">
    <code>Q58</code>
    <description><![CDATA[Environmental Economics: Government Policy]]></description>
  </classification>
  <classification language="English">
    <code>Q59</code>
    <description><![CDATA[Environmental Economics: Other]]></description>
  </classification>
  <classification language="English">
    <code>R00</code>
    <description><![CDATA[Urban, Rural, Regional, Real Estate, and Transportation Economics: General]]></description>
  </classification>
  <classification language="English">
    <code>R10</code>
    <description><![CDATA[General Regional Economics (includes Regional Data)]]></description>
  </classification>
  <classification language="English">
    <code>R11</code>
    <description><![CDATA[Regional Economic Activity: Growth, Development, Environmental Issues, and Changes]]></description>
  </classification>
  <classification language="English">
    <code>R12</code>
    <description><![CDATA[Size and Spatial Distributions of Regional Economic Activity]]></description>
  </classification>
  <classification language="English">
    <code>R13</code>
    <description><![CDATA[General Equilibrium and Welfare Economic Analysis of Regional Economies]]></description>
  </classification>
  <classification language="English">
    <code>R14</code>
    <description><![CDATA[Land Use Patterns]]></description>
  </classification>
  <classification language="English">
    <code>R15</code>
    <description><![CDATA[General Regional Economics: Econometric and Input-Output Models; Other Models]]></description>
  </classification>
  <classification language="English">
    <code>R19</code>
    <description><![CDATA[General Regional Economics: Other]]></description>
  </classification>
  <classification language="English">
    <code>R20</code>
    <description><![CDATA[Urban, Rural, Regional, Real Estate, and Transportation Economics: Household Analysis: General]]></description>
  </classification>
  <classification language="English">
    <code>R21</code>
    <description><![CDATA[Urban, Rural, Regional, Real Estate, and Transportation Economics: Housing Demand]]></description>
  </classification>
  <classification language="English">
    <code>R22</code>
    <description><![CDATA[Urban, Rural, Regional, Real Estate, and Transportation Economics: Other Demand]]></description>
  </classification>
  <classification language="English">
    <code>R23</code>
    <description><![CDATA[Urban, Rural, Regional, Real Estate, and Transportation Economics: Regional Migration; Regional Labor Markets; Population; Neighborhood Characteristics]]></description>
  </classification>
  <classification language="English">
    <code>R28</code>
    <description><![CDATA[Urban, Rural, Regional, Real Estate, and Transportation Economics: Government Policy]]></description>
  </classification>
  <classification language="English">
    <code>R29</code>
    <description><![CDATA[Urban, Rural, Regional, Real Estate, and Transportation Economics: Household Analysis: Other]]></description>
  </classification>
  <classification language="English">
    <code>R30</code>
    <description><![CDATA[Real Estate Markets, Spatial Production Analysis, and Firm Location: General]]></description>
  </classification>
  <classification language="English">
    <code>R31</code>
    <description><![CDATA[Housing Supply and Markets]]></description>
  </classification>
  <classification language="English">
    <code>R32</code>
    <description><![CDATA[Other Spatial Production and Pricing Analysis]]></description>
  </classification>
  <classification language="English">
    <code>R33</code>
    <description><![CDATA[Nonagricultural and Nonresidential Real Estate Markets]]></description>
  </classification>
  <classification language="English">
    <code>R38</code>
    <description><![CDATA[Production Analysis and Firm Location: Government Policy]]></description>
  </classification>
  <classification language="English">
    <code>R39</code>
    <description><![CDATA[Real Estate Markets, Spatial Production Analysis, and Firm Location: Other]]></description>
  </classification>
  <classification language="English">
    <code>R40</code>
    <description><![CDATA[Transportation Economics: General]]></description>
  </classification>
  <classification language="English">
    <code>R41</code>
    <description><![CDATA[Transportation: Demand, Supply, and Congestion; Travel Time; Safety and Accidents; Transportation Noise]]></description>
  </classification>
  <classification language="English">
    <code>R42</code>
    <description><![CDATA[Transportation Economics: Government and Private Investment Analysis; Road Maintenance, Transportation Planning]]></description>
  </classification>
  <classification language="English">
    <code>R48</code>
    <description><![CDATA[Transportation Economics: Government Pricing and Policy]]></description>
  </classification>
  <classification language="English">
    <code>R49</code>
    <description><![CDATA[Transportation Economics: Other]]></description>
  </classification>
  <classification language="English">
    <code>R50</code>
    <description><![CDATA[Regional Government Analysis: General]]></description>
  </classification>
  <classification language="English">
    <code>R51</code>
    <description><![CDATA[Finance in Urban and Rural Economies]]></description>
  </classification>
  <classification language="English">
    <code>R52</code>
    <description><![CDATA[Regional Government Analysis: Land Use and Other Regulations]]></description>
  </classification>
  <classification language="English">
    <code>R53</code>
    <description><![CDATA[Public Facility Location Analysis; Public Investment and Capital Stock]]></description>
  </classification>
  <classification language="English">
    <code>R58</code>
    <description><![CDATA[Regional Development Planning and Policy]]></description>
  </classification>
  <classification language="English">
    <code>R59</code>
    <description><![CDATA[Regional Government Analysis: Other]]></description>
  </classification>
  <classification language="English">
    <code>Y10</code>
    <description><![CDATA[Data: Tables and Charts]]></description>
  </classification>
  <classification language="English">
    <code>Y20</code>
    <description><![CDATA[Introductory Material]]></description>
  </classification>
  <classification language="English">
    <code>Y30</code>
    <description><![CDATA[Book Reviews (unclassified)]]></description>
  </classification>
  <classification language="English">
    <code>Y40</code>
    <description><![CDATA[Dissertations (unclassified)]]></description>
  </classification>
  <classification language="English">
    <code>Y50</code>
    <description><![CDATA[Further Reading (unclassified)]]></description>
  </classification>
  <classification language="English">
    <code>Y60</code>
    <description><![CDATA[Excerpt]]></description>
  </classification>
  <classification language="English">
    <code>Y70</code>
    <description><![CDATA[No Author General Discussions]]></description>
  </classification>
  <classification language="English">
    <code>Y80</code>
    <description><![CDATA[Related Disciplines]]></description>
  </classification>
  <classification language="English">
    <code>Y90</code>
    <description><![CDATA[Miscellaneous Categories: Other]]></description>
  </classification>
  <classification language="English">
    <code>Y91</code>
    <description><![CDATA[Pictures and Maps]]></description>
  </classification>
  <classification language="English">
    <code>Y92</code>
    <description><![CDATA[Novels, Self-Help Books, etc.]]></description>
  </classification>
  <classification language="English">
    <code>Z00</code>
    <description><![CDATA[Other Special Topics: General]]></description>
  </classification>
  <classification language="English">
    <code>Z10</code>
    <description><![CDATA[Cultural Economics; Economic Sociology; Economic Anthropology: General]]></description>
  </classification>
  <classification language="English">
    <code>Z11</code>
    <description><![CDATA[Cultural Economics: Economics of the Arts and Literature]]></description>
  </classification>
  <classification language="English">
    <code>Z12</code>
    <description><![CDATA[Cultural Economics: Religion]]></description>
  </classification>
  <classification language="English">
    <code>Z13</code>
    <description><![CDATA[Economic Sociology; Economic Anthropology; Language; Social and Economic Stratification]]></description>
  </classification>
  <classification language="English">
    <code>Z18</code>
    <description><![CDATA[Cultural Economics: Public Policy]]></description>
  </classification>
  <classification language="English">
    <code>Z19</code>
    <description><![CDATA[Cultural Economics: Other]]></description>
  </classification>
  <classification language="English">
    <code>Z20</code>
    <description><![CDATA[Sports Economics: General]]></description>
  </classification>
  <classification language="English">
    <code>Z21</code>
    <description><![CDATA[Sports Economics: Industry Studies]]></description>
  </classification>
  <classification language="English">
    <code>Z22</code>
    <description><![CDATA[Sports Economics: Labor Issues]]></description>
  </classification>
  <classification language="English">
    <code>Z23</code>
    <description><![CDATA[Sports Economics: Finance]]></description>
  </classification>
  <classification language="English">
    <code>Z28</code>
    <description><![CDATA[Sports Economics: Policy]]></description>
  </classification>
  <classification language="English">
    <code>Z29</code>
    <description><![CDATA[Sports Economics: Other]]></description>
  </classification>
  <classification language="English">
    <code>Z30</code>
    <description><![CDATA[Tourism Economics: General]]></description>
  </classification>
  <classification language="English">
    <code>Z31</code>
    <description><![CDATA[Tourism: Industry Studies]]></description>
  </classification>
  <classification language="English">
    <code>Z32</code>
    <description><![CDATA[Tourism and Development]]></description>
  </classification>
  <classification language="English">
    <code>Z33</code>
    <description><![CDATA[Tourism: Marketing and Finance]]></description>
  </classification>
  <classification language="English">
    <code>Z38</code>
    <description><![CDATA[Tourism: Policy]]></description>
  </classification>
  <classification language="English">
    <code>Z39</code>
    <description><![CDATA[Tourism: Other]]></description>
  </classification>
</data>