The American Economic Association's registry for randomized controlled trials
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502 Trials Found
C78, C91, D63, Q28
C21, C91, M50
C91, C25, D73
C91, C92, D64, Q56
D91, C91, D83
C72, C91, D8, D9
C72, C91, D82, L15
C91, D81, D91
C78, C91, D63
C91 D03 J16