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Submitted on: 19 October 2016.
Revised on: 25 November 2016.
Accepted on: 17 December 2016.
QME-Quantitative Marketing and Economics
Submitted on: 13 September 2019.
Revised on: 25 October 2019.
Accepted on: 16 November 2019.
QME-Quantitative Marketing and Economics
Submitted on: 11 September 1999.
Revised on: 08 October 1999.
Accepted on: 24 October 1999.
QME-Quantitative Marketing and Economics
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Submitted on: 22 May 2010.
Revised on: 24 June 2010.
Accepted on: 18 July 2010.
QME-Quantitative Marketing and Economics
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