O12 (Microeconomic Analyses of Economic Development); O13 (Agriculture; Natural Resources); D12
I21; O15; O33; C93
C90; D01; D63; D83; D91
D91, C93, O12
C92,D91
C93 (Field Experiments); D91 (Behavioral); Z13 (Cultural Economics)
C91, C92, D83, D91, M54
C9; D91; D7; H3; H72; H81; H11; R53
J15, J61, C93, O15, J16, I31
I12, I15, O12, J13