The American Economic Association's registry for randomized controlled trials
Select the trial sections you'd like to search within...
340 Trials Found
Health, Education and Welfare
J21, L71, Q43
I21, I24, I26, I29
I23, I24
I24, I25, I26, I38, O3, O12
I22, J24, J21, L25, L26, L31, M10
I24; J15
I24, J16, D91
J12, J16, J21, J6, R40