The American Economic Association's registry for randomized controlled trials
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448 Trials Found
C93;D03;D21;D83;D84;J64;O17;O12
O14, O16, O17, O33, D83, G20, L14, L15, L81
M50, O14
O12, O13, O33, O55, Q12. Q16
O17, O33, C9
D03, I20, I21, O12, C93
E42, D14, I38, L25,O16
O12, I11, I12
O12, O18, 055, J61, D72
D12; I15; O12; O13; Q53