http://reply.papertrans.cn/2/128/12713/12713-11.png
Submitted on: 12 December 2013.
Revised on: 10 April 2014.
Accepted on: 04 May 2014.
___________________INSURANCE MATHEMATICS & ECONOMICS
http://reply.papertrans.cn/2/128/12713/12713-13.png
http://reply.papertrans.cn/2/128/12713/12713-14.png
http://reply.papertrans.cn/2/128/12713/12713-15.png
http://reply.papertrans.cn/2/128/12713/12713-16.png
Submitted on: 03 April 2005.
Revised on: 21 May 2005.
Accepted on: 07 July 2005.
___________________INSURANCE MATHEMATICS & ECONOMICS
Submitted on: 30 August 1998.
Revised on: 25 October 1998.
Accepted on: 20 December 1998.
___________________INSURANCE MATHEMATICS & ECONOMICS
Submitted on: 03 May 2003.
Revised on: 03 August 2003.
Accepted on: 01 October 2003.
___________________INSURANCE MATHEMATICS & ECONOMICS
http://reply.papertrans.cn/2/128/12713/12713-20.png