The American Economic Association's registry for randomized controlled trials
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841 Trials Found
C93, D21, J24, M5
D81, C93
C93, D02, D83, D91, H41, Q54, Q58
C93,D01,D83,D90,D91,I12
C93, D91, Q18
J33; M52; M54; M55
D91, C93, D81, D87
C93, I12, D90, C91, M50