The American Economic Association's registry for randomized controlled trials
Select the trial sections you'd like to search within...
611 Trials Found
Q54, Q58, D72, D91
Q16, C93, D91
H23, D72, D83, D91, Q58
D80, D91
D91, C91
C91, D91, I25
J22, J24, D91
I12, I14, J15, D91
H12, H83, D80, D83, D91, L86
H53 (Government Expenditures and Welfare Programs) D91 (Role and Effects of Psychological