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Submitted on: 28 February 2002.
Revised on: 25 March 2002.
Accepted on: 10 April 2002.
___________________AMERICAN JOURNAL OF ECONOMICS AND SOCIOLOGY
Submitted on: 27 January 2002.
Revised on: 25 March 2002.
Accepted on: 04 May 2002.
___________________AMERICAN JOURNAL OF ECONOMICS AND SOCIOLOGY
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