The American Economic Association's registry for randomized controlled trials
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35 Trials Found
D71, I28, O15
C92; D71
D71, D74, J15, Z13
C91, D63, D71, D91
D71, D80, D91
A21, I20, D71, D91
C93, D63, D71, D72, Z13
D71, C92
C92, D31, D71, D91