The American Economic Association's registry for randomized controlled trials
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196 Trials Found
C91, C92, G21, O16
C92, D71
C92, D82, D83, M52, C72
C12, C72, C91, C92, D44, D47, D82
D81, G11, C92
C91,C92,D03
C92, D83, E40
D72, D74, C92, C93
D41, D43, D44, C78
C71, C91, C92