The American Economic Association's registry for randomized controlled trials
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64 Trials Found
C79, C90, C91
D91, C90, C72, D83
C90, D91
C90, C92, D70
C90, J01, D90
C81, C90, C91, D81, G11
C90, D83, H24, H55
C72, C90, L13
C90, C93, D91, D90