The American Economic Association's registry for randomized controlled trials
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551 Trials Found
D03, D12, D91, L94, Q41, C93
C91, D03, O33
Q52, Q53, I18, I31
I15, O12, O17, Q18
Q12, O13, C93, Q18, O21, O53
D80, D84, D90, Q54, Q50, D03
C83; C91; D64; D90; Z13
D03, D64, C91
I12, I18, D91, L86
C93, D61, D83, D91, L95, Q25, Q55