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Submitted on: 04 August 2001.
Revised on: 19 October 2001.
Accepted on: 24 November 2001.
___________________ENERGY JOURNAL---INT ASSOC ENERGY ECONOMICS
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Submitted on: 07 October 2018.
Revised on: 27 October 2018.
Accepted on: 13 November 2018.
___________________ENERGY JOURNAL---INT ASSOC ENERGY ECONOMICS
Submitted on: 27 August 2022.
Revised on: 02 December 2022.
Accepted on: 15 December 2022.
___________________ENERGY JOURNAL---INT ASSOC ENERGY ECONOMICS
Submitted on: 26 May 2012.
Revised on: 11 September 2012.
Accepted on: 22 October 2012.
___________________ENERGY JOURNAL---INT ASSOC ENERGY ECONOMICS
Submitted on: 23 October 2018.
Revised on: 18 November 2018.
Accepted on: 12 December 2018.
___________________ENERGY JOURNAL---INT ASSOC ENERGY ECONOMICS
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