O12, O13, Q12, D22, M13, C81, C83, C93, D50
I3, J1, O12
C90, D81, D91, G11, I31
O12, O14, M31, L26
D81, D83, D84, C93, I26
O12; O16; G52; H53
Q12 (Micro Analysis of Farm Firms, Farm Households, and Farm Input Markets), Q16 (R&D, Agricultural
Technology, Agricultural Extension Services), Q54 (Climate; Natural Disasters; Global Warming), O33
C93, I21, I25, J13, O12, O15
O12, O13, O15, Q01
O15, O12, I15, J13, J24