The American Economic Association's registry for randomized controlled trials
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467 Trials Found
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
C91, D63, D83
C90, D83, D91, P16
C25, C83, D83, D91, H41, Q58