The American Economic Association's registry for randomized controlled trials
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897 Trials Found
D91, O12, Z12
D72, D73, D91, H23, Q38, P11
D12, D83, P16, Q11, Q13, Q18, Z18
O12, Q12, J16, D13
C91; D83; D91
Q56 I12 I18
D90 D91 D83 I12 I18 I21 O35
D91, D83, C91, N35
I12, I18, I28
G21; L26; O12; O16