Submitted on: 22 June 2012.
Revised on: 31 July 2012.
Accepted on: 24 September 2012.
___________________Energy Economics---ELSEVIER
Submitted on: 16 September 2024.
Revised on: 08 October 2024.
Accepted on: 30 November 2024.
___________________Energy Economics---ELSEVIER
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Submitted on: 18 August 2018.
Revised on: 13 November 2018.
Accepted on: 15 December 2018.
___________________Energy Economics---ELSEVIER
Submitted on: 19 September 2024.
Revised on: 13 January 2025.
Accepted on: 13 March 2025.
___________________Energy Economics---ELSEVIER
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Submitted on: 01 December 2002.
Revised on: 16 March 2003.
Accepted on: 10 May 2003.
___________________Energy Economics---ELSEVIER
Submitted on: 25 March 2004.
Revised on: 29 April 2004.
Accepted on: 05 June 2004.
___________________Energy Economics---ELSEVIER