The American Economic Association's registry for randomized controlled trials
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42 Trials Found
O11; O13; O31; O32; O33; Q12; Q16; Q55; Q57
D12, D61, D90, D91, I31, L86, O33.
I23, O33, D90, C93
I18, I31, O33, O35, O38
D01, Q12, O33
C9, J24, M51, O33
O13, O33, O55
R23, O33, O16
O13, O33, J22, D91