The American Economic Association's registry for randomized controlled trials
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24 Trials Found
I15, O12, O17, Q18
I12, I30, O13, O15, Q18
C93, D12, Q18
C25, C83, D83, D91, H23, H41, Q18, Q58
D91, D83, Q18
Q18, C9
C91, D83, D91, Q18
Q12; Q13; Q16; Q18; C93
Q18, Q58, C90, D72, D91