The American Economic Association's registry for randomized controlled trials
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373 Trials Found
C91, H26, H31
C91, D83
C91; D01; J16
D83, D91, C91, G41
C91, D81, D83
D72, C91, C92
C91, D90, D91
D01, C91, C92, D63, D91, J71
C91, C92, D03, Z13