(Technological Change: Choices and Consequences; Diffusion Processes), D91 (Micro-Based Behavioral
Technology, Agricultural Extension Services), Q54 (Climate; Natural Disasters; Global Warming), O33
M11, M21, O33,
J23, J24, O33, L2, M54, D83
I25: Education and Economic Development, C93: Field Experiments, O33: Technological Change. Diffusion and Adoption, O55: Africa
I11, O33, D83
A22 C93 I14 I24 J24 O33
C93, J23, J24, M51, O33
I21 — Analysis of Education O33 — Technological Change: Choices and Consequences; Diffusion
C91, D03, O33
C93, D83, D91, I23, I31, L82, L86, O33