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Submitted on: 31 October 2005.
Revised on: 23 December 2005.
Accepted on: 02 February 2006.
___________________Journal of Benefit-Cost Analysis
Submitted on: 11 September 2000.
Revised on: 07 October 2000.
Accepted on: 29 October 2000.
___________________Journal of Benefit-Cost Analysis
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Submitted on: 17 February 2023.
Revised on: 30 May 2023.
Accepted on: 24 June 2023.
___________________Journal of Benefit-Cost Analysis
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Submitted on: 25 November 2022.
Revised on: 22 January 2023.
Accepted on: 03 February 2023.
___________________Journal of Benefit-Cost Analysis