The American Economic Association's registry for randomized controlled trials
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598 Trials Found
C91, H26, H31
D60, D63, H21, H23, I38
C91 D63
C91, D60, D91, I31
C91, D78
D91, C91
C78, C91, D63, Q28
C21, C91, M50
C91, C25, D73
C91, C92, D64, Q56