The American Economic Association's registry for randomized controlled trials
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234 Trials Found
I1, I12, I18, I20, I3
D12, D91, I12, Q18
I12, I21, O15
C93, I12, D90, C91, M50
C93, D91, I12
I12, I18, O38
C93,D01,D83,D90,D91,I12
C21, C93, D1, D81, D90, I12, I21
C21; C93; D1; D81; D90; I12; I21