Economic systems & structures Political economy 26 Political science & theory 13 Development economics & emerging economies 8 Welfare economics 6 Economic theory & philosophy 5 Public administration 5 Political structure & processes 4 Social issues & processes 4 Social theory 3 Sociology 3 Comparative politics 2 Conservation of the environment 2 Economic growth 2 Environmental economics 2 International economics 2 International trade 2 Labour economics 2 Monetary economics 2 Politics & government 2 Behavioural economics 1 Business & management 1 Business communication & presentation 1 Business innovation 1 Communication studies 1 Company, commercial & competition law 1 Computer networking & communications 1 Ecological science, the Biosphere 1 Economics, finance, business & management 1 Electrical engineering 1