The American Economic Association's registry for randomized controlled trials
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980 Trials Found
C93, I21, I25, J13
C93, D91, G50, I30
C93, I21
C93; I14; I24; J13
D04, D91, D81, D83, I12, C93, C91
C93, D91, M53
C93, D64, D91
C93,D90,L9
J6, C93, D91, O15, J01
C90, C93, D64, D91