The American Economic Association's registry for randomized controlled trials
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202 Trials Found
C92, D85, C71, D91, D23
R40, Q58, C92
C72, C78, C91, C92
B4, C1, C91, C92, D81
C72, C73, C92.
D01, C91, C92, D63, D91, J71
C92, H41
C91, C92, D64, Q56
C92, D74
C92, D85, D91, Z13.