The American Economic Association's registry for randomized controlled trials
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63 Trials Found
H25, H26, C93
H55, H26, D90, D22
H22, H26.
H24, H26, C93, C99, D81, D91
C93, D91, H26
H25,H26,O12, O17
H2, H3, H26, C92,
H24, H26, C91, D04, D81, D91
H25, H26
H20, H26, C01, C93, D81