The American Economic Association's registry for randomized controlled trials
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824 Trials Found
Q52, D91, C90
C11, C90, D83, D91
C93, D64, D91, J14
C91, D90, D91, J16
P16, D72, D91
C93, D91, D83, I31
D91
C21, C90, C92, D64, D91, I00, I12.
C92, D91, D81
J24, D83, D91, I25, I26