Submitted on: 06 June 2013.
Revised on: 24 June 2013.
Accepted on: 08 July 2013.
Scandinavian Actuarial Journal
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Submitted on: 08 October 2017.
Revised on: 25 October 2017.
Accepted on: 02 November 2017.
Scandinavian Actuarial Journal
http://reply.papertrans.cn/3/276/27505/27505-24.png
Submitted on: 17 June 2014.
Revised on: 09 July 2014.
Accepted on: 25 July 2014.
Scandinavian Actuarial Journal
Submitted on: 05 August 2010.
Revised on: 24 August 2010.
Accepted on: 10 September 2010.
Scandinavian Actuarial Journal
Submitted on: 12 January 2014.
Revised on: 12 February 2014.
Accepted on: 03 March 2014.
Scandinavian Actuarial Journal
Submitted on: 02 November 2018.
Revised on: 22 November 2018.
Accepted on: 10 December 2018.
Scandinavian Actuarial Journal
Submitted on: 28 July 2011.
Revised on: 06 September 2011.
Accepted on: 28 September 2011.
Scandinavian Actuarial Journal
Submitted on: 17 July 2013.
Revised on: 07 August 2013.
Accepted on: 24 August 2013.
Scandinavian Actuarial Journal