Submitted on: 21 November 2004.
Revised on: 02 January 2005.
Accepted on: 30 January 2005.
Review of Quantitative Finance and Accounting
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Submitted on: 15 August 2004.
Revised on: 09 September 2004.
Accepted on: 02 October 2004.
Review of Quantitative Finance and Accounting
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Submitted on: 31 January 2012.
Revised on: 26 February 2012.
Accepted on: 21 March 2012.
Review of Quantitative Finance and Accounting
Submitted on: 16 September 1998.
Revised on: 28 September 1998.
Accepted on: 10 October 1998.
Review of Quantitative Finance and Accounting