The American Economic Association's registry for randomized controlled trials
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460 Trials Found
D81, D83, D91, O13, O33, Q16
C11, C90, D80, D83
Z18; D04; O33; D83
C90, D12, D83
D83, Information and Knowledge
C11, C90, D83, D91
O13, O33, Q12, D83
C93, D91, D83, I31
J24, D83, D91, I25, I26
J64. D83, D84