Submitted on: 29 August 2017.
Revised on: 21 October 2017.
Accepted on: 16 November 2017.
___________________INSURANCE MATHEMATICS & ECONOMICS
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Submitted on: 01 May 2006.
Revised on: 14 August 2006.
Accepted on: 25 August 2006.
___________________INSURANCE MATHEMATICS & ECONOMICS
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Submitted on: 12 March 2021.
Revised on: 27 June 2021.
Accepted on: 25 July 2021.
___________________INSURANCE MATHEMATICS & ECONOMICS
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