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Univ N Carolina, Dept Econ, Kenan Flagler Business Sch, Chapel Hill, NC 27599 USA
Univ N Carolina, Dept Finance, Kenan Flagler Business Sch, Chapel Hill, NC 27599 USA
CEPR, London, England Univ N Carolina, Dept Econ, Kenan Flagler Business Sch, Chapel Hill, NC 27599 USA