The American Economic Association's registry for randomized controlled trials
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33 Trials Found
C21, D22, D24, D61, O16
H26, H25, C21, C33, D22
C21, C93, M50
C21, C90, D83, R41, R48
C21, C93, M54
C21, C90, D1, D90, D81, I20, J13, J24
C21, C90, C92, D64, D91, I00, I12.
C93, I12, I18, C21