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Submitted on: 22 December 2017.
Revised on: 14 March 2018.
Accepted on: 10 April 2018.
___________________INSURANCE MATHEMATICS & ECONOMICS
Submitted on: 03 July 2020.
Revised on: 01 August 2020.
Accepted on: 28 September 2020.
___________________INSURANCE MATHEMATICS & ECONOMICS
Submitted on: 20 April 2020.
Revised on: 08 July 2020.
Accepted on: 26 August 2020.
___________________INSURANCE MATHEMATICS & ECONOMICS
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Submitted on: 24 February 2004.
Revised on: 01 April 2004.
Accepted on: 19 April 2004.
___________________INSURANCE MATHEMATICS & ECONOMICS
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