The American Economic Association's registry for randomized controlled trials
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970 Trials Found
C72, C73, C92.
G51, G52, G53, C91, D14
C91
D02, H41, O17, Z12, D91
D03, D64, C91
D01, C91, C92, D63, D91, J71
C91, H26, H31
D73, H41, I18, K42
C91 D63
C91, D60, D91, I31