The American Economic Association's registry for randomized controlled trials
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846 Trials Found
D83, D90, C91
C91, D91, J16, Z11
D9, D83, D64, C91
C99, D11, D81, D91
C12, C72, C91, C92, D44, D47, D82
D81, G11, C92
D12, D01, C93, D91, I12
D12, C91
C91,C92,D03
C91, D83, D01