The American Economic Association's registry for randomized controlled trials
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229 Trials Found
C92, D91, Q51
C92, D23, D82, D86, M52
C92, J33, M41, M52
C91, C92, G13,G14
C91, H41, Q54, D71, D63
C92, M54
C92; D43; D83.
C72, C92, D83, D85
I21, I22, C92, O15
C72, C92, D83, D91