The American Economic Association's registry for randomized controlled trials
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1490 Trials Found
C93, D91, M53
I12, I14, I15, I25
I21, I24, I28, C93
C93; J16; I28; I24
C93, D12, D90, Q41
I12, I13, I14, I18, J61, Z13
I21, I31, Q57, Q59, C93,
I28; P16; D83; C93
D10, I12, O12, J13
D81, D83, I12