The American Economic Association's registry for randomized controlled trials
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89 Trials Found
C93, D91, I12, M52
M51,M52,D22
C9 C93 C99 D90 M52
I22, I26, J31
M52, C93, D64, D90, J22, J32
D90, M52
C92, C93, J33, D03, M52
C83, C99, D31, J31, R11
C93, D91, M52
J38; J31; J64; Q52