The American Economic Association's registry for randomized controlled trials
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280 Trials Found
D81, D83, D91
I12, D81, D83, C92
F22, J01, J08, D74, D81, O15
I12, I18, D81, K13
R41, D90
H24, H26, C93, C99, D81, D91
c91, c99, d81, e22, g11, G40
C93; D90; I21
D4, D81, L00, M31
C90 C91 D63 D90 H23