The American Economic Association's registry for randomized controlled trials
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996 Trials Found
Q52, D91, C90
D83, Information and Knowledge
C11, C90, D83, D91
C91, J31, J38, M12, M52, Z13
C78, C91, D63
C93, D64, D91, J14
C91, D90, D91, J16
D83, D84, G11, G12, G41, G51
C72, C91, C92, D44
O13, O33, Q12, D83