The American Economic Association's registry for randomized controlled trials
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71 Trials Found
D82, L11, O12
D82, D83, D86
C99, D81, D82, D83, D84, D91, I18
C90, D81, D82, D90, J16, J24, J31
C92, D82, D83, D91
C91, D81, D82, D83
C72, C92, D05, D82, D83
C93, D81, D82, D83, I26
D82; J44; L14; M55
C72, C91, D82, Z13