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Submitted on: 16 August 2001.
Revised on: 13 October 2001.
Accepted on: 03 November 2001.
___________________Journal of Interdisciplinary Economics
Submitted on: 03 March 2001.
Revised on: 23 April 2001.
Accepted on: 06 May 2001.
___________________Journal of Interdisciplinary Economics
Submitted on: 23 May 2010.
Revised on: 23 August 2010.
Accepted on: 28 September 2010.
___________________Journal of Interdisciplinary Economics
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Submitted on: 11 June 2019.
Revised on: 03 July 2019.
Accepted on: 17 July 2019.
___________________Journal of Interdisciplinary Economics
Submitted on: 17 May 2014.
Revised on: 25 August 2014.
Accepted on: 15 September 2014.
___________________Journal of Interdisciplinary Economics
Submitted on: 21 August 2007.
Revised on: 23 September 2007.
Accepted on: 11 November 2007.
___________________Journal of Interdisciplinary Economics
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