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Submitted on: 01 September 2003.
Revised on: 22 October 2003.
Accepted on: 10 December 2003.
___________________Journal of Asset Management---PALGRAVE MACMILLAN LTD
Submitted on: 13 August 2007.
Revised on: 08 November 2007.
Accepted on: 04 January 2008.
___________________Journal of Asset Management---PALGRAVE MACMILLAN LTD
Submitted on: 03 February 2004.
Revised on: 29 February 2004.
Accepted on: 14 March 2004.
___________________Journal of Asset Management---PALGRAVE MACMILLAN LTD
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