SUBJECT
Economic aspects
Mathematical models
Agriculture
49
Education
20
Agriculture and state
9
Population
9
Pollution
8
Households
7
Economic conditions
6
Fertility, Human
6
Human capital
6
Income distribution
6
Rice
6
Technological innovations
6
Economic development
5
Government policy
4
Wages
4
Children
3
Decision making
3
Econometric models
3
Education of children
3
Effect of education on
3
Environmental policy
3
Farm mechanization
3
Farm produce
3
Farm risks
3
Food supply
3
Irrigation
3
Produce trade
3
Production functions (Economic theory)
3
Roads
3
Rural development
3
Rural-urban migration
3
Agricultural
2
Agricultural credit
2
Agricultural extension work
2
Agricultural machinery
2
Agricultural production
2
Air
2
Birth control
2
Congresses
2
Consumption (Economics)
2
Cost of operation
2
Decision-making
2
Economic policy
2
Education and state
2
Emigrant remittances
2
Emigration and immigration
2
Energy policy
2
Environmental aspects
2
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