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Incorporating Uncertainty and Cero Values into the Valuation of Protected Areas and Species

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  • Hurle, Jesus Barreiro
  • Garcia, Jose Maria Casada
  • Perez y Perez, Luis

Abstract

Under the Spanish conservation law, compensation is envisaged for the damage associated with all actions that reduce the quantity or quality of protected areas and species. This paper provides a tool to evaluate the monetary equivalent of this damage. We conduct a contingent valuation exercise to estimate the existence value related to protected areas and species in Aragon. This estimate is then reconsidered including the possibility of zero bids and also the possibility of uncertain preferences for non-familiar goods. Considering these two effects, mean values are reduced significantly giving support to previous recommendations of dividing by two contingent valuation estimates from dichotomous choice question formats.

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Bibliographic Info

Paper provided by European Association of Agricultural Economists in its series 2005 International Congress, August 23-27, 2005, Copenhagen, Denmark with number 24745.

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Date of creation: 2005
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Handle: RePEc:ags:eaae05:24745

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Related research

Keywords: natural heritage; contingent valuation; Spike model; uncertainty; Land Economics/Use; B23; C24; C42; C52; D62; Q26;

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  1. Smith, V. Kerry & Osborne, Laura L., 1996. "Do Contingent Valuation Estimates Pass a "Scope" Test? A Meta-analysis," Journal of Environmental Economics and Management, Elsevier, vol. 31(3), pages 287-301, November.
  2. Dubourg, W R & Jones-Lee, M W & Loomes, Graham, 1997. "Imprecise Preferences and Survey Design in Contingent Valuation," Economica, London School of Economics and Political Science, vol. 64(256), pages 681-702, November.
  3. Cameron, Trudy Ann & James, Michelle D, 1987. "Efficient Estimation Methods for "Closed-ended' Contingent Valuation Surveys," The Review of Economics and Statistics, MIT Press, vol. 69(2), pages 269-76, May.
  4. Bengt Kristr�m, 1997. "Spike Models in Contingent Valuation," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 79(3), pages 1013-1023.
  5. Ian Bateman & Ian Langford, 1997. "Non-users' Willingness to Pay for a National Park: An Application and Critique of the Contingent Valuation Method," Regional Studies, Taylor & Francis Journals, vol. 31(6), pages 571-582.
  6. Patterson, David A. & Duffield, John W., 1991. "Comment on Cameron's censored logistic regression model for referendum data," Journal of Environmental Economics and Management, Elsevier, vol. 20(3), pages 275-283, May.
  7. Loomis, John & Ekstrand, Earl, 1998. "Alternative approaches for incorporating respondent uncertainty when estimating willingness to pay: the case of the Mexican spotted owl," Ecological Economics, Elsevier, vol. 27(1), pages 29-41, October.
  8. Berrens, Robert P. & Jenkins-Smith, Hank & Bohara, Alok K. & Silva, Carol L., 2002. "Further Investigation of Voluntary Contribution Contingent Valuation: Fair Share, Time of Contribution, and Respondent Uncertainty," Journal of Environmental Economics and Management, Elsevier, vol. 44(1), pages 144-168, July.
  9. Li Chuan-Zhong & Mattsson Leif, 1995. "Discrete Choice under Preference Uncertainty: An Improved Structural Model for Contingent Valuation," Journal of Environmental Economics and Management, Elsevier, vol. 28(2), pages 256-269, March.
  10. Cameron, Trudy Ann, 1988. "A new paradigm for valuing non-market goods using referendum data: Maximum likelihood estimation by censored logistic regression," Journal of Environmental Economics and Management, Elsevier, vol. 15(3), pages 355-379, September.
  11. Boyle, Kevin J. & Welsh, Michael P. & Bishop, Richard C., 1988. "Validation of empirical measures of welfare change: comment," MPRA Paper 31237, University Library of Munich, Germany.
  12. Dubourg, W R & Jones-Lee, M W & Loomes, Graham, 1994. "Imprecise Preferences and the WTP-WTA Disparity," Journal of Risk and Uncertainty, Springer, vol. 9(2), pages 115-33, October.
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