J24, L26, C93, O17, I23
I21, I23, I12
J16, I23, O31
A2: Economics Education and the Teaching of Economics
I25: Education and Economic Development, C93: Field Experiments, O33: Technological Change. Diffusion and Adoption, O55: Africa
F22, F24, I23, I3, O15
I21, I23
C93, I23, J16, D83
I22, I23, I24, C93
I21 — Analysis of Education O33 — Technological Change: Choices and Consequences; Diffusion