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Submitted on: 03 June 2006.
Revised on: 06 September 2006.
Accepted on: 01 November 2006.
___________________Astin Bulletin-The Journal of the International Actuarial Association
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Submitted on: 14 March 2011.
Revised on: 05 July 2011.
Accepted on: 29 August 2011.
___________________Astin Bulletin-The Journal of the International Actuarial Association
Submitted on: 22 August 2019.
Revised on: 21 September 2019.
Accepted on: 28 October 2019.
___________________Astin Bulletin-The Journal of the International Actuarial Association
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Submitted on: 26 October 2013.
Revised on: 12 February 2014.
Accepted on: 06 March 2014.
___________________Astin Bulletin-The Journal of the International Actuarial Association
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