Submitted on: 28 July 2002.
Revised on: 05 October 2002.
Accepted on: 16 October 2002.
___________________Journal of Alternative Investments
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Submitted on: 13 September 2008.
Revised on: 17 December 2008.
Accepted on: 16 January 2009.
___________________Journal of Alternative Investments
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Submitted on: 03 June 2007.
Revised on: 12 August 2007.
Accepted on: 06 October 2007.
___________________Journal of Alternative Investments
Submitted on: 17 December 2017.
Revised on: 17 February 2018.
Accepted on: 04 April 2018.
___________________Journal of Alternative Investments
Submitted on: 01 February 2007.
Revised on: 20 April 2007.
Accepted on: 05 June 2007.
___________________Journal of Alternative Investments
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Submitted on: 30 June 2001.
Revised on: 09 August 2001.
Accepted on: 10 September 2001.
___________________Journal of Alternative Investments