The American Economic Association's registry for randomized controlled trials
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193 Trials Found
C90; H41; Q53
C90, D90
C90,D39,D83,H50,I14,I18
A2, C90, J16
H12, H83, D80, D83, D91, L86
C11, C90, D80, D83
L13, L41, C90
C90 I24 D00
C91, D11, D12, D90
C90, C92, D70