The American Economic Association's registry for randomized controlled trials
Select the trial sections you'd like to search within...
365 Trials Found
I21, I28
I21, I25, J22, O12
C93; I21; J24
I20, I21, I28
I21; I28
I21, I24, I29
I21, J24
Health, Education and Welfare
I21, I25, O15
C93, I21, I23