The American Economic Association's registry for randomized controlled trials
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478 Trials Found
C91
C83, C91, J16, J71
C91; D63; H23
C91, D11, D14, D16, D31, D91
C91, D91, J01, J16, J71
D83, C91
D9; D2; J16; C91
C91, D81, D83, D91
D83, D91, C91, G41
C91, D81, D91