Submitted on: 04 August 1999.
Revised on: 25 August 1999.
Accepted on: 20 September 1999.
___________________JOURNAL OF INDUSTRIAL ECONOMICS
Submitted on: 30 March 2005.
Revised on: 10 July 2005.
Accepted on: 21 August 2005.
___________________JOURNAL OF INDUSTRIAL ECONOMICS
Submitted on: 26 December 2006.
Revised on: 21 January 2007.
Accepted on: 22 February 2007.
___________________JOURNAL OF INDUSTRIAL ECONOMICS
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Submitted on: 27 January 2025.
Revised on: 18 May 2025.
Accepted on: 25 June 2025.
___________________JOURNAL OF INDUSTRIAL ECONOMICS
Submitted on: 17 August 2020.
Revised on: 01 October 2020.
Accepted on: 01 November 2020.
___________________JOURNAL OF INDUSTRIAL ECONOMICS