Submitted on: 26 September 2004.
Revised on: 05 October 2004.
Accepted on: 29 October 2004.
Scandinavian Actuarial Journal
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Submitted on: 20 March 2006.
Revised on: 21 April 2006.
Accepted on: 11 May 2006.
Scandinavian Actuarial Journal
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Submitted on: 30 November 2012.
Revised on: 14 December 2012.
Accepted on: 02 January 2013.
Scandinavian Actuarial Journal
Submitted on: 05 June 2023.
Revised on: 07 July 2023.
Accepted on: 19 July 2023.
Scandinavian Actuarial Journal