C93, I38, Q53
C93, D91, I12, I15, I21, J16, Q01
Q53, R41, D91, O13
C93, D84, D83, Q54, Q12, O13
I25, O15, C93, J16, O12
O12, L25, L15, O14, D12
O13 (Economic Development: Agriculture; Natural Resources; Energy; Environment; Other Primary
and the Enforcement of Law), O33 (Technological Change: Choices and Consequences; Diffusion Processes), D12 (Consumer Economics: Household Analysis)
C93, D83, J16, L26, O12
F22, J61, O15, C93, O12
Q53