The American Economic Association's registry for randomized controlled trials
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178 Trials Found
D01, D04, D91
D01, D91, H23
D01, D04, D91, H23, Q58
D01, D04, D62, H23, Q58
Q15, Q12, D71, D81
C91, D01, D81, D83
D71, D80, D91
D01, C91, C92, D63, D91, J71
C80, D01, D90, D91