Submitted on: 24 November 2004.
Revised on: 19 January 2005.
Accepted on: 16 February 2005.
___________________Agricultural and Food Economics
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Submitted on: 24 December 2009.
Revised on: 23 January 2010.
Accepted on: 21 March 2010.
___________________Agricultural and Food Economics
Submitted on: 06 November 2015.
Revised on: 04 January 2016.
Accepted on: 11 February 2016.
___________________Agricultural and Food Economics
Submitted on: 01 May 2022.
Revised on: 24 May 2022.
Accepted on: 28 June 2022.
___________________Agricultural and Food Economics
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Submitted on: 12 March 2000.
Revised on: 29 May 2000.
Accepted on: 16 July 2000.
___________________Agricultural and Food Economics
Submitted on: 23 September 2003.
Revised on: 11 December 2003.
Accepted on: 19 January 2004.
___________________Agricultural and Food Economics
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Submitted on: 27 July 2018.
Revised on: 23 October 2018.
Accepted on: 06 December 2018.
___________________Agricultural and Food Economics