The American Economic Association's registry for randomized controlled trials
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1149 Trials Found
C92; D83; D91
C93, D83, D90, I38, O15
C93, D9, I12, I29
D64, D91
H53 (Government Expenditures and Welfare Programs) D91 (Role and Effects of Psychological
C99, D11, D81, D91
D83, L86, L82, O10
D11 · D81 · D83 · D87
C99; D69; D91; J15
I12