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Submitted on: 26 February 2012.
Revised on: 08 May 2012.
Accepted on: 28 June 2012.
___________________JOURNAL OF FINANCIAL ECONOMICS
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Submitted on: 09 June 2004.
Revised on: 04 October 2004.
Accepted on: 21 November 2004.
___________________JOURNAL OF FINANCIAL ECONOMICS
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