D74, D83, I38, O12
J61, R23, R12, I38
Agricultural Extension Services, Agricultural Technology, Asymmetric and Private Information
Health and Economic Development
Economic Development, Microeconomic Analyses of Economic Development, Demand and Supply of Labor
Health, Education, and Welfare, Microeconomics
J24, J64, J68, I38
I15, I38, J22, J29, O18
Q01 Sustainable Development, Q23 Forestry, Q57 Ecological Economics: Ecosystem Services, Q58 Government Policy
H31, H55, I12, I38, J22