Submitted on: 23 October 2009.
Revised on: 13 November 2009.
Accepted on: 17 December 2009.
___________________Annual Review of Resource Economics
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Submitted on: 09 January 2006.
Revised on: 07 February 2006.
Accepted on: 27 March 2006.
___________________Annual Review of Resource Economics
Submitted on: 13 May 2007.
Revised on: 20 July 2007.
Accepted on: 09 August 2007.
___________________Annual Review of Resource Economics
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Submitted on: 07 February 2001.
Revised on: 21 March 2001.
Accepted on: 04 April 2001.
___________________Annual Review of Resource Economics
Submitted on: 07 February 2015.
Revised on: 28 March 2015.
Accepted on: 24 April 2015.
___________________Annual Review of Resource Economics
Submitted on: 13 August 2018.
Revised on: 04 November 2018.
Accepted on: 30 December 2018.
___________________Annual Review of Resource Economics