Economics History 257 Economic conditions 159 Economic policy 136 Mathematical models 127 Periodicals 73 Congresses 53 Research 48 Methodology 46 Economic history 43 Study and teaching 43 Social sciences 42 Economic development 41 Economists 32 Socialism 32 Capitalism 30 Bibliography 29 Econometrics 26 Political science 23 Economics, Mathematical 22 Philosophy 22 Statistical methods 22 Finance 20 Dictionaries 19 Money 19 Economic aspects 18 Equilibrium (Economics) 18 Problems, exercises, etc 18 Business 17 Psychological aspects 17