The American Economic Association's registry for randomized controlled trials
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553 Trials Found
D12 D81 C91
C99, D31, D64
C90, C91
C93, D64, D91, J14
C91, D90
C91, D81, D91
C93, D90, I28, J13
D63, D64, D83, I24
C91, C92, G13,G14
C91, D91