Submitted on: 19 February 1998.
Revised on: 06 March 1998.
Accepted on: 28 March 1998.
South African Actuarial Journal
http://reply.papertrans.cn/3/284/28369/28369-22.png
Submitted on: 22 July 2022.
Revised on: 01 August 2022.
Accepted on: 26 August 2022.
South African Actuarial Journal
http://reply.papertrans.cn/3/284/28369/28369-24.png
http://reply.papertrans.cn/3/284/28369/28369-25.png
Submitted on: 12 February 2010.
Revised on: 05 March 2010.
Accepted on: 17 March 2010.
South African Actuarial Journal
http://reply.papertrans.cn/3/284/28369/28369-27.png
Submitted on: 17 December 2016.
Revised on: 28 January 2017.
Accepted on: 15 February 2017.
South African Actuarial Journal
http://reply.papertrans.cn/3/284/28369/28369-29.png
Submitted on: 07 March 2017.
Revised on: 26 March 2017.
Accepted on: 07 April 2017.
South African Actuarial Journal