The American Economic Association's registry for randomized controlled trials
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251 Trials Found
C93 I21 J13 O15
I21, I22, O15, D81, D84
C91, C93, D83, D91, I21, I25, J24
I23, I21
C93, H52, I21, M52, O15
C93, I21, O15
I21, I24, C91, C92, C93
C93; I21; I25
C93, I20, I21, I28, O15