http://reply.papertrans.cn/2/174/17342/17342-21.png
Submitted on: 24 September 2009.
Revised on: 05 November 2009.
Accepted on: 18 November 2009.
___________________JOURNAL OF INDUSTRIAL ECONOMICS
Submitted on: 12 October 2000.
Revised on: 28 December 2000.
Accepted on: 07 February 2001.
___________________JOURNAL OF INDUSTRIAL ECONOMICS
Submitted on: 10 June 2017.
Revised on: 15 July 2017.
Accepted on: 09 September 2017.
___________________JOURNAL OF INDUSTRIAL ECONOMICS
Submitted on: 30 June 2023.
Revised on: 20 August 2023.
Accepted on: 06 October 2023.
___________________JOURNAL OF INDUSTRIAL ECONOMICS
Submitted on: 11 June 2000.
Revised on: 04 October 2000.
Accepted on: 19 November 2000.
___________________JOURNAL OF INDUSTRIAL ECONOMICS
http://reply.papertrans.cn/2/174/17342/17342-27.png
Submitted on: 14 March 2014.
Revised on: 08 May 2014.
Accepted on: 31 May 2014.
___________________JOURNAL OF INDUSTRIAL ECONOMICS
http://reply.papertrans.cn/2/174/17342/17342-29.png
Submitted on: 25 August 1999.
Revised on: 01 November 1999.
Accepted on: 19 November 1999.
___________________JOURNAL OF INDUSTRIAL ECONOMICS