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Submitted on: 09 January 2013.
Revised on: 31 January 2013.
Accepted on: 15 February 2013.
REVIEW OF FINANCIAL STUDIES
Submitted on: 25 June 2010.
Revised on: 30 July 2010.
Accepted on: 19 August 2010.
REVIEW OF FINANCIAL STUDIES---OXFORD UNIV PRESS INC