J24, O33, D91, J22
J24, O33, C91, C92
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
J24, J64, J68
J01, J7, C93
Economics: Empirical Analysis C93 — Field Experiments Q56 — Environment and Development