The American Economic Association's registry for randomized controlled trials
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1057 Trials Found
D91, D72, C92
D64, D91
C72, C91, D91
H25, D81, D22, H32, D25, B49
D63, D72, D91, H23, K32
D19, D91, J16, Z13
C91, D91, J16, Z11
C99, D11, D81, D91
C9; D72; D83; D91; H23 ; Q52
H23, O23