The American Economic Association's registry for randomized controlled trials
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193 Trials Found
D14, G11, G40, G51
D14, D83, D91, G11, G53
D83, D91, C91, G41
E42, D14, I38, L25,O16
D83, D84, G11, G12, G41, G51
G41, G40, G17, G12, Y40,
D14, D18, G51, O16
C93, D14, H52, I22,
C90, D14, G11
D18, G4, D14