C72, C73, D81, D83
D91, D14, J16, J71
O12, O33, D91, D83, C93, Q16
C91, D83, D91, G11, G41
Q54, D81, G5, C93
O12 (Microeconomic Analyses of Economic Development); O13 (Agriculture; Natural Resources); D12
C90; D01; D63; D83; D91
C91; C92; C71; D71; H41
C91, D82, H57, M42, Q56
C92,D91