Submitted on: 22 June 2016.
Revised on: 02 August 2016.
Accepted on: 12 August 2016.
___________________Annual Review of Financial Economics
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Submitted on: 19 January 2015.
Revised on: 29 April 2015.
Accepted on: 12 May 2015.
___________________Annual Review of Financial Economics
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Submitted on: 12 April 2001.
Revised on: 13 June 2001.
Accepted on: 16 July 2001.
___________________Annual Review of Financial Economics