The American Economic Association's registry for randomized controlled trials
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1373 Trials Found
D01, D04, D91
D01, D91, H23
D01, D04, D91, H23, Q58
D01, D04, D62, H23, Q58
C72, C73, C92, D83
J15, J16, J20, C91
E31, E52, E58, D84
O13, Q12, Q16, C93, D83.
c91, c99, d81, e22, g11, g40