The American Economic Association's registry for randomized controlled trials
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1900 Trials Found
C93, D83, I22, I24
C90, D44, H23
C93, I12, I18, D83
C91, D15, D91, G51
C91, C93, D12, D83, I12
D11, D91, E31
D74, D91, O12, P48, Z13
C93, D72, D91
C92; D43; D83.
C83, C99, D83, H26, J32, J46