The American Economic Association's registry for randomized controlled trials
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61 Trials Found
J33; M52; M54; M55
C92, J33, D03, M52, M54
O15, M52, I15, D91,D83
M52, M12, J33, L81,
C21, C93, M52
I12, I13, M52
M12, M52, C93
H52, I21, M52, O15
O31, C91, D81, M52