The American Economic Association's registry for randomized controlled trials
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232 Trials Found
C81, C93, D81
D81
D81, C90
D22, D25, D81, H23, H32, C90
D14, D81, D83, G41, G53, O33
C91, D81, D91
D44, D47, D81, C90
D81; D90; D91; H76; K42
C93, D14, D81, L26, 012