The American Economic Association's registry for randomized controlled trials
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925 Trials Found
C91, D83, D84
C90, D91, K42
D91; I25
C93, D91, Q18
C71, C91, C92
D91, I20, J16, O33
D12, D91, H41, Q5, D72, C93
D91
C78, C91, D47, I29
C81, D81, C91