Submitted on: 14 July 1998.
Revised on: 24 August 1998.
Accepted on: 22 October 1998.
___________________ECOLOGICAL ECONOMICS---ELSEVIER
Submitted on: 09 January 1998.
Revised on: 15 March 1998.
Accepted on: 25 March 1998.
___________________ECOLOGICAL ECONOMICS---ELSEVIER
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Submitted on: 26 August 2020.
Revised on: 20 November 2020.
Accepted on: 10 January 2021.
___________________ECOLOGICAL ECONOMICS---ELSEVIER
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Submitted on: 12 August 2005.
Revised on: 12 September 2005.
Accepted on: 23 September 2005.
___________________ECOLOGICAL ECONOMICS---ELSEVIER
Submitted on: 23 July 2024.
Revised on: 18 August 2024.
Accepted on: 01 September 2024.
___________________ECOLOGICAL ECONOMICS---ELSEVIER
Submitted on: 12 June 2013.
Revised on: 20 August 2013.
Accepted on: 09 October 2013.
___________________ECOLOGICAL ECONOMICS---ELSEVIER