The American Economic Association's registry for randomized controlled trials
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899 Trials Found
Q18, L66, D81, C93, D11
D81, D25, O12, O13, Q12, Q54
O33, J24, D83, P10
C72, C91, D83
C93, D83, I21, I24,
J16, J71, C90, D83
D83, J12, C93, N36
C90, D81
C91, D83