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Submitted on: 23 December 2012.
Revised on: 23 March 2013.
Accepted on: 11 April 2013.
___________________JOURNAL OF AGRICULTURAL AND RESOURCE ECONOMICS
Submitted on: 08 January 2004.
Revised on: 31 March 2004.
Accepted on: 01 May 2004.
___________________JOURNAL OF AGRICULTURAL AND RESOURCE ECONOMICS
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Submitted on: 10 January 2015.
Revised on: 05 February 2015.
Accepted on: 20 March 2015.
___________________JOURNAL OF AGRICULTURAL AND RESOURCE ECONOMICS
Submitted on: 07 November 1998.
Revised on: 24 December 1998.
Accepted on: 09 February 1999.
___________________JOURNAL OF AGRICULTURAL AND RESOURCE ECONOMICS
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