I21 — Analysis of Education; I25 — Education and Economic Development; C93 — Field Experiments
I12, I15, O12, J13
D60, O12, O13, Q12, Q16, Q24, Q57
D60, O12, O13, Q12, Q16, Q24, Q57.
D72, D83, P0, O12
O12, L26
D12, D83, O12, Z13
O13 — Economic Development: Agriculture; Natural Resources; Energy; Environment; Other Primary
Economics: Empirical Analysis C93 — Field Experiments Q56 — Environment and Development
D3, J15, J71, O12, O54, Z13.
O12, O14, O17, D22, L26, C93