The American Economic Association's registry for randomized controlled trials
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9 Trials Found
O14, O16, O17, O33, D83, G20, L14, L15, L81
D12, D90, D22, L20, L81, L82, M31
C93, D91, L81
M30, D18 , L81, D91, C91
L81;O33; F14; M53
M52, M12, J33, L81,
L26, L81, M53, O12, O17