The American Economic Association's registry for randomized controlled trials
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231 Trials Found
C72, C91, D8, D9
B4, C1, C91, C92, D81
C72, C73, C92.
D01, C91, C92, D63, D91, J71
J7, J2, D5, D8, D9
C92, H41
C91, C92, D64, Q56
C92, D74
D8, C93