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Submitted on: 21 June 2020.
Revised on: 25 July 2020.
Accepted on: 04 August 2020.
Quantitative Finance and Economics
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Submitted on: 17 March 2009.
Revised on: 10 April 2009.
Accepted on: 17 April 2009.
Quantitative Finance and Economics
Submitted on: 13 April 2018.
Revised on: 27 May 2018.
Accepted on: 23 June 2018.
Quantitative Finance and Economics
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