Economic policy 47 Government policy 46 Economic conditions 43 Economic development 41 Economic aspects 10 Environmental aspects 9 Environmental management 9 Sustainable development 9 Environmental protection 8 Investments, Foreign 8 Agriculture and state 6 Education and state 6 Trade regulation 6 Environmental policy 5 Management 5 Agriculture 4 Economic history 4 Education 4 Education, Higher 4 Evaluation 4 Income tax 4 International business enterprises 4 International trade 4 Law and legislation 4 Older people 4 Programme for International Student Assessment 4 Transportation 4 Academic achievement 3 Age and employment 3 Emigration and immigration 3