The American Economic Association's registry for randomized controlled trials
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661 Trials Found
C91, D83, D90
C91, D81, D83, D91
O33, J24, D83, P10
C72, C91, D83
C93, D83, I21, I24,
J16, J71, C90, D83
D83, J12, C93, N36
H57; D22; D40
C91, D83
D83, D84, J64