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Submitted on: 21 February 1999.
Revised on: 24 May 1999.
Accepted on: 18 June 1999.
___________________INSURANCE MATHEMATICS & ECONOMICS
Submitted on: 15 March 2022.
Revised on: 02 May 2022.
Accepted on: 12 May 2022.
___________________INSURANCE MATHEMATICS & ECONOMICS
Submitted on: 31 March 2011.
Revised on: 20 June 2011.
Accepted on: 22 July 2011.
___________________INSURANCE MATHEMATICS & ECONOMICS
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Submitted on: 01 December 2011.
Revised on: 05 March 2012.
Accepted on: 10 April 2012.
___________________INSURANCE MATHEMATICS & ECONOMICS
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