The American Economic Association's registry for randomized controlled trials
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278 Trials Found
D43, C92, L13
O13, Q13, L15, D82, C93
C72, C92, D62, Q20
D81, D82, I11
J16, J71, C92, C91, M51
D82, G32, C92
C70, C92
C78; D47; D74; D78; D82
C92, D85, C71, D91, D23
R40, Q58, C92