C21, C93, D1, D81, D90, I12, I21
J15, J18, K14
C21; C93; D1; D81; D90; I12; I21
J71, J15
C93 Field Experiments; F35 Foreign Aid; F22 International Migration; F51 International Conflicts; Q54 Climate
J15, J23, J24, J61, J71, M51
J16 D90 C93
C93, D63, D71, D72, Z13
C93, I21, P16, A21
C93, I21, D83, A21, D14