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Submitted on: 23 September 2009.
Revised on: 14 January 2010.
Accepted on: 12 February 2010.
___________________JOURNAL OF ENVIRONMENTAL ECONOMICS AND MANAGEMENT
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Submitted on: 21 August 2015.
Revised on: 14 September 2015.
Accepted on: 27 September 2015.
___________________JOURNAL OF ENVIRONMENTAL ECONOMICS AND MANAGEMENT
Submitted on: 12 March 2004.
Revised on: 06 April 2004.
Accepted on: 02 June 2004.
___________________JOURNAL OF ENVIRONMENTAL ECONOMICS AND MANAGEMENT
Submitted on: 21 July 2009.
Revised on: 13 September 2009.
Accepted on: 12 November 2009.
___________________JOURNAL OF ENVIRONMENTAL ECONOMICS AND MANAGEMENT
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