O12; O16; G52; H53
Q12 (Micro Analysis of Farm Firms, Farm Households, and Farm Input Markets), Q16 (R&D, Agricultural
C93, I21, I25, J13, O12, O15
O12, O13, O15, Q01
O15, O12, I15, J13, J24
J23, J24, O33, L2, M54, D83
J24, J61, J64, I26, O15, D82.
I15, I12, O12, C93
J24, J16
J16, J13