The American Economic Association's registry for randomized controlled trials
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527 Trials Found
D83, I18, J45, M51, O12
D01, D82, I12, I18, O10
C93, D91, Q18
C(3, H51, H75, I18, I38
D12, D62, D64, D90, D91
Q18, D9, C93
C25, D12, Q51, Q54
C91, C93, D03, I30; O12
I12, I18
C93;D03;D21;D83;D84;J64;O17;O12