The American Economic Association's registry for randomized controlled trials
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542 Trials Found
C90, D81
D01, J22, Q24, Q57, R11
J71; D91; C90;
D6, D63, D64, D9, D91, D3, D31, H53, I38
C91, D63
C91, D01, D03, D82
D63, D91, C91, H23, D31
D01, D31, D72, D91