The American Economic Association's registry for randomized controlled trials
Select the trial sections you'd like to search within...
967 Trials Found
C21, C93, M50
C92, C93, J71, J24
C93, C72, O10, D02, D91, N00, J15
C93, D91, Q18
C93, D14, H52, I22,
C93, D72, L82, L86, L88
D12, D91, H41, Q5, D72, C93
Health, Education and Welfare
I15, C93
D22 D24 H32 L25 L26 L53 M21 O33 C93