The American Economic Association's registry for randomized controlled trials
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369 Trials Found
C80, C90, D30, D63
C92, D85, C71, D91, D23
D91, J16, C93, D63, O12, J22
R40, Q58, C92
C72, C78, C91, C92
B4, C1, C91, C92, D81
C72, C73, C92.
D01, C91, C92, D63, D91, J71
D60, D63, H21, H23, I38
C91 D63