Submitted on: 08 November 2001.
Revised on: 07 January 2002.
Accepted on: 24 February 2002.
___________________JOURNAL OF ECONOMICS AND BUSINESS
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Submitted on: 03 October 2003.
Revised on: 10 December 2003.
Accepted on: 22 December 2003.
___________________JOURNAL OF ECONOMICS AND BUSINESS
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Submitted on: 11 October 2019.
Revised on: 05 February 2020.
Accepted on: 04 March 2020.
___________________JOURNAL OF ECONOMICS AND BUSINESS
Submitted on: 09 December 2011.
Revised on: 23 January 2012.
Accepted on: 27 February 2012.
___________________JOURNAL OF ECONOMICS AND BUSINESS