The American Economic Association's registry for randomized controlled trials
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999 Trials Found
C83; C91; D64; D90; Z13
B4, C1, C91, C92, D81
C91, D91, O31
C72, C73, C92.
G51, G52, G53, C91, D14
C91
D03, D64, C91
D01, C91, C92, D63, D91, J71
C91, H26, H31
D73, H41, I18, K42