External trade 8 Debts, External 6 Economic development 5 Externalities (Economics) 5 Environmental economics 3 Externalism (Philosophy of mind) 3 Externalities 3 International trade 3 Agricultural Economics 2 Agriculture 2 Cost effectiveness 2 Debts 2 Debts, External- Developing countries 2 Developing countries- Economic conditions 2 Developing countries- Statistics 2 Environmental impact 2 Environmental policy 2 Environmental protection 2 Exposure management, Sovereign wealth, International taxation, External debt management 2 External 2 External anatomy 2 External communication 2 External environment 2 Foreign exchange 2 Foreign relations 2 History 2 IMF 2 Internal trade 2 International finance 2 Natural Resource Economics, (New March 2000) 2