The American Economic Association's registry for randomized controlled trials
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88 Trials Found
C83, C90, D64, D90
C83, C90, J24, J30
C90
C90, D91
C90, D01, D83, J15, J71
D81; D12; C90
C79, C90, C91
D91, C90, C72, D83
C90, J01, D90