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Submitted on: 19 December 1998.
Revised on: 05 April 1999.
Accepted on: 25 April 1999.
___________________Computational Economics---SPRINGER
Submitted on: 10 June 2008.
Revised on: 08 July 2008.
Accepted on: 02 August 2008.
___________________Computational Economics---SPRINGER
Submitted on: 11 August 2019.
Revised on: 06 November 2019.
Accepted on: 14 December 2019.
___________________Computational Economics---SPRINGER
Submitted on: 20 April 2014.
Revised on: 06 August 2014.
Accepted on: 18 August 2014.
___________________Computational Economics---SPRINGER
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http://reply.papertrans.cn/1/62/6182/6182-27.png
Submitted on: 18 June 2019.
Revised on: 30 July 2019.
Accepted on: 29 August 2019.
___________________Computational Economics---SPRINGER
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Submitted on: 16 July 2022.
Revised on: 22 October 2022.
Accepted on: 09 November 2022.
___________________Computational Economics---SPRINGER