The American Economic Association's registry for randomized controlled trials
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958 Trials Found
C72, C73, C92, D83
J15, J16, J20, C91
C81, C91
C72, C78, C91, C92
c91, c99, d81, e22, g11, g40
c91, c99, d81, e22, g11, G40
C92; D31; D63
C90 C91 D63 D90 H23
C91, D91, Z13
C91, C92, D12, D90