J16, J22, D13, O15, C93
I11, I12, I18, D12, D83, C91, C93
D12, D83, O12, Z13
G21, M41, O16, G32, D83, C93
JEL: C93, I21, J13
D180, C93, D12, D91, G21, G51
C83, C93, D81, D83, I20, I23
J01, J7, C93
Economics: Empirical Analysis C93 — Field Experiments Q56 — Environment and Development
; Provision and Effects of Welfare Programs J22 — Time Allocation and Labor Supply D12 — Consumer
O33, C93, M53, D91, J24