J24, O33, C91, C92
G21, M41, O16, G32, D83, C93
JEL: C93, I21, J13
I24
D180, C93, D12, D91, G21, G51
D90, I31, O33, Z13
C83, C93, D81, D83, I20, I23
J24, J64, J68
J01, J7, C93
Economics: Empirical Analysis C93 — Field Experiments Q56 — Environment and Development