D91, C93, D81, D87
C93, I12, D90, C91, M50
J6, C93, D91, O15, J01
C21, C93, D1, D81, D90, I12, I21
J15, J18, K14
C21; C93; D1; D81; D90; I12; I21
C92, D72, D74, D01, J16
J71, J15
C93 Field Experiments; F35 Foreign Aid; F22 International Migration; F51 International Conflicts; Q54 Climate
J15, J23, J24, J61, J71, M51