Submitted on: 17 January 2000.
Revised on: 14 March 2000.
Accepted on: 17 April 2000.
___________________Journal of Structured Finance---PAGEANT MEDIA LTD
Submitted on: 26 May 2019.
Revised on: 15 September 2019.
Accepted on: 25 October 2019.
___________________Journal of Structured Finance---PAGEANT MEDIA LTD
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Submitted on: 08 August 2022.
Revised on: 03 September 2022.
Accepted on: 15 September 2022.
___________________Journal of Structured Finance---PAGEANT MEDIA LTD
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