Economic aspects 23 Food supply 23 Agriculture 20 Government policy 16 Agriculture and state 12 Nutrition 9 Wheat trade 7 more ... Commercial policy 6 Economic conditions 6 Grain trade 6 Produce trade 6 Economic policy 5 Prices 5 Rural poor 5 Agricultural laborers 4 Cost and standard of living 4 Food consumption 4 Food relief 4 Income distribution 4 Mathematical models 4 Rural development 4 Agricultural innovations 3 Agricultural price supports 3 Agricultural productivity 3 Food industry and trade 3 Food prices 3 Forecasting 3 Research 3 Rice 3 Agricultural credit 2 less ...