The American Economic Association's registry for randomized controlled trials
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369 Trials Found
C81, C90, C91, D18, K20, L86
C91, D63, D91, H23
J22, O14, J16, L86
C91, D63, D71, D91
L86, M37
C91, D83, H20
C73, C91, D83
C9, C91
C91, D83, D84
C91; D83; D91