The American Economic Association's registry for randomized controlled trials
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397 Trials Found
D12, D83, D91, L86
D83, H63, G51, Z13
C93, D83, I12, J13.
C93, D83, O15, J13.
D63, D64, D83, I24
D83, D91, P16, Z18
C93, D83, I12, J13
A21, C21, C22, C93, D83, D91, I29
D83, I29, J24, O33
R41,D81,D83