The American Economic Association's registry for randomized controlled trials
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214 Trials Found
D83, D82, C92
C92 C78 I20
O15, J16, J24, I38, D74
C91, D01, D03, D82
C93, D82, G14, G34, M14
D82, K14, K4
I2, Z00, Z12, K00, D74
D74, I25, C93
C92,D70,D78,Z13
C91, D74, D92