Submitted on: 07 July 2001.
Revised on: 19 October 2001.
Accepted on: 03 November 2001.
___________________JOURNAL OF COMPARATIVE ECONOMICS
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Submitted on: 06 August 2000.
Revised on: 08 September 2000.
Accepted on: 02 October 2000.
___________________JOURNAL OF COMPARATIVE ECONOMICS
Submitted on: 01 October 2006.
Revised on: 24 October 2006.
Accepted on: 29 November 2006.
___________________JOURNAL OF COMPARATIVE ECONOMICS
Submitted on: 08 July 2017.
Revised on: 15 September 2017.
Accepted on: 10 November 2017.
___________________JOURNAL OF COMPARATIVE ECONOMICS
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