G21, M41, O16, G32, D83, C93
JEL: C93, I21, J13
D180, C93, D12, D91, G21, G51
I15, J13, J16, J81, O15
C83, C93, D81, D83, I20, I23
D31, D63, D83, H24
D02, H41, O17, Z12, D91
J01, J7, C93
D81, G41, G51, J16
Economics: Empirical Analysis C93 — Field Experiments Q56 — Environment and Development