The American Economic Association's registry for randomized controlled trials
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437 Trials Found
C90, D81
J71; D91; C90;
D12, D91, M31
D12, D15, E21, E6, G51, H31
C21, C83, C90, D12, D83, D91
L11, L13, L15, L86, D12, D22
I14, D12, M31, O15
D83, L86, C45, J24, D80, C63
D91, C90, C72, D83
010, 013, C90