The American Economic Association's registry for randomized controlled trials
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1618 Trials Found
C91, D83
O14, O16, O17, O33, D83, G20, L14, L15, L81
D18, D61, D83, D49, D91, L21
D62, D83
I22, I28, J24, C93
D91
C93, P45, R28
K42, H11, H56, N46, C93
C92, D71
D91; J15.