The American Economic Association's registry for randomized controlled trials
Select the trial sections you'd like to search within...
729 Trials Found
D01, C93,
C93, H25, H26
D90, I15, I38
C93 I24 J15
Health, Education, and Welfare
I24, I25,
C92, C93, J33, D03, M52
C93, G21, I32,
J22, J24
C93, D91, H26