The American Economic Association's registry for randomized controlled trials
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38 Trials Found
C78, C91, D63
C78; D90
C92 C78 I20
D41, D43, D44, C78
C78, C91, D47, I29
J16, C78, C91
C71, C72, C78, C92
C78
C78, O33, C93, J16, I12
C78, D63, D74, D91, F51, J52