C93; D72; D91; Z20
C9, D91
Q54, Q58, D72, D91
C8, C9, D14, D91, G53, I22, J16
J08, D60, D72
D72, F02, F22, O15, R23
B54; C9; J16; J21
D72, D73, P16, Z18
C92, D72, D74, D01, J16
C93 Field Experiments; F35 Foreign Aid; F22 International Migration; F51 International Conflicts; Q54 Climate