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- Mark Duggan
- Department of Economics, University of Chicago, 1126 East 59th Street, Chicago, IL 60637, and National Bureau of Economic Research.
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- Steven D Levitt
- American Bar Foundation and Department of Economics, University of Chicago, 1126 East 59th Street, Chicago, IL 60637.
収録刊行物
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- American Economic Review
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American Economic Review 92 (5), 1594-1605, 2002-11-01
American Economic Association
