The American Economic Association's registry for randomized controlled trials
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129 Trials Found
C21, C93, M54
M12, M52, C93
C91, D23, J33, L23, M12, M54
C72, C92, M53, M54
C91, J31, J38, M12, M52, Z13
I23, M52, M55, C93
C93; D11; M54; J01
O13, O33, M12, M52, D73
D90,M52
C93, D03, M52