Submitted on: 05 March 2007.
Revised on: 21 April 2007.
Accepted on: 04 June 2007.
___________________JOURNAL OF TRANSPORT ECONOMICS AND POLICY
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Submitted on: 14 October 2022.
Revised on: 06 December 2022.
Accepted on: 03 January 2023.
___________________JOURNAL OF TRANSPORT ECONOMICS AND POLICY
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Submitted on: 29 October 2011.
Revised on: 07 February 2012.
Accepted on: 17 March 2012.
___________________JOURNAL OF TRANSPORT ECONOMICS AND POLICY
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Submitted on: 13 July 2011.
Revised on: 12 September 2011.
Accepted on: 23 September 2011.
___________________JOURNAL OF TRANSPORT ECONOMICS AND POLICY
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