The American Economic Association's registry for randomized controlled trials
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896 Trials Found
D12, D72, D83
D83; D91; O13; O33; Q54
D03 , D91 , H41, D64, C90
D12, D82, K42
I18, D12
J13, J16, D83
C93, D12, D90, Q41
D83, J15, L84
I10, O33, D83
C92, D82, D83