The American Economic Association's registry for randomized controlled trials
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190 Trials Found
C83; C91; D64; D90; Z13
I21, J16, C83
C83, D72
R23, O16, I32, O33
O12, I32
C83, D84, E31
C93, I14, I32, I38, O12, O15
C83, C91, J16, J71
J13, J16 , C83, Z13
C83, I28, D83