The American Economic Association's registry for randomized controlled trials
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376 Trials Found
I13, I18, D14, D18, G41
D82, G28, G41, O14
O12, D91, G41
G21, G51, E41, G41
G11, G12, G41, G51, G53, D84, E44
I12, O13, D14
D14, D91, I31, O12, O16, J16
D14; H31; I22
C93, D14, H52, I22,
Health, Education and Welfare