The American Economic Association's registry for randomized controlled trials
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954 Trials Found
D91, D72, C92
D64, D91
C72, C91, D91
Q53, I10, I20
D63, D72, D91, H23, K32
D19, D91, J16, Z13
C91, D91, J16, Z11
C99, D11, D81, D91
C9; D72; D83; D91; H23 ; Q52
I20, I21, I28