The American Economic Association's registry for randomized controlled trials
Select the trial sections you'd like to search within...
780 Trials Found
C93, D91, H26
H42, L95, D91, O18
C93, D72.
C93, D71, D72, D63, P16, J16
C90 C91 D63 D90 H23
C92; D83; D91
D64, D91
D72, O55, P16
H53 (Government Expenditures and Welfare Programs) D91 (Role and Effects of Psychological
C99, D11, D81, D91