The American Economic Association's registry for randomized controlled trials
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543 Trials Found
C93, D14, G21, J16, O16
J64, J16
J0, J16, O1
J16, J31, D83
C90, D73, D83, I23, J16
C91, C93, J16, J71, I23
D90, E24, J16, J31, J71, M50
C91; D01; J16
J16, C91