I25: Education and Economic Development, C93: Field Experiments, O33: Technological Change. Diffusion and Adoption, O55: Africa
Q53, I21, C93
O16, F13, L25, G21
Q53
I11, O33, D83
A22 C93 I14 I24 J24 O33
C93 Field Experiments,D12 Consumer Economics Empirical Analysis,Q53 Solid Waste • Recycling Q58
Q12, Q15, Q18, C35, O13
O12; O13; Q56
C93, J23, J24, M51, O33