The American Economic Association's registry for randomized controlled trials
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641 Trials Found
D04, D91, D81, D83, I12, C93, C91
D83, D84, R23
D12, D78, M31, Q50
C91, D18, D83, H41, K23, L51
D81, D83, D91, O13, O33, Q16
D83, D82, C92
C91, D83, D91, L82
C93, D12, D90, Q41
C91, C93, D03, I30; O12
C11, C90, D80, D83