The American Economic Association's registry for randomized controlled trials
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823 Trials Found
D83, C91
D14, D81, D83, G41, G53, O33
C91, C92, H41
C91, D81, D91
D44, D47, D81, C90
D81; D90; D91; H76; K42
C83, D81, D84
D8, D64, C91
C93, D14, D81, L26, 012