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Valuing global public goods : a European Delphi stated preference survey of population willingness to pay for Amazon rainforest preservation


  • Navrud, Stale
  • Strand, Jon


The Amazon Rainforest is a global public good. As such, and given that 15 percent of the original Amazon forest area has already been lost, households worldwide might be willing to pay to reduce or avoid additional losses. A full elicitation of global preferences for valuing preservation of the current forest, using stated-preference population surveys, would be costly and time consuming. Alternatively, this paper uses a Delphi stated-preference technique in which 48 European environmental valuation experts were asked to provide"best guesses"on the possible outcomes of population surveys in their own countries and Europe as a whole. The expert judgments indicate willingness to pay in Europe for preserving the current Amazon Rainforest of about 28 Euro per household per year on average; a slightly lower value is inferred for a plan that allows a 10 percent future reduction from the current rainforest area. The income elasticity of experts'stated willingness to pay with respect to per-capita income in their own countries is in the range 0.5-0.8. These findings indicate that Delphi studies might be used more widely as a tool for global benefit transfer.

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  • Navrud, Stale & Strand, Jon, 2013. "Valuing global public goods : a European Delphi stated preference survey of population willingness to pay for Amazon rainforest preservation," Policy Research Working Paper Series 6637, The World Bank.
  • Handle: RePEc:wbk:wbrwps:6637

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    References listed on IDEAS

    1. Lindhjem, Henrik & Navrud, Ståle, 2011. "Using Internet in Stated Preference Surveys: A Review and Comparison of Survey Modes," International Review of Environmental and Resource Economics, now publishers, vol. 5(4), pages 309-351, September.
    2. Nick Hanley & Robert Wright & Vic Adamowicz, 1998. "Using Choice Experiments to Value the Environment," Environmental & Resource Economics, Springer;European Association of Environmental and Resource Economists, vol. 11(3), pages 413-428, April.
    3. Richard Carson & Nicholas Flores & Norman Meade, 2001. "Contingent Valuation: Controversies and Evidence," Environmental & Resource Economics, Springer;European Association of Environmental and Resource Economists, vol. 19(2), pages 173-210, June.
    4. Lindhjem, Henrik & Navrud, Ståle, 2011. "Are Internet surveys an alternative to face-to-face interviews in contingent valuation?," Ecological Economics, Elsevier, vol. 70(9), pages 1628-1637, July.
    5. Louviere,Jordan J. & Hensher,David A. & Swait,Joffre D., 2000. "Stated Choice Methods," Cambridge Books, Cambridge University Press, number 9780521788304, May.
    6. Wiktor Adamowicz & Peter Boxall & Michael Williams & Jordan Louviere, 1998. "Stated Preference Approaches for Measuring Passive Use Values: Choice Experiments and Contingent Valuation," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 80(1), pages 64-75.
    7. Carson, Richard T., 1998. "Valuation of tropical rainforests: philosophical and practical issues in the use of contingent valuation," Ecological Economics, Elsevier, vol. 24(1), pages 15-29, January.
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    Cited by:

    1. Strand, Jon & Carson, Richard T. & Navrud, Stale & Ortiz-Bobea, Ariel & Vincent, Jeffrey R., 2017. "Using the Delphi method to value protection of the Amazon rainforest," Ecological Economics, Elsevier, vol. 131(C), pages 475-484.

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    Environmental Economics&Policies; Economic Theory&Research; Wildlife Resources; Climate Change Mitigation and Green House Gases; Population Policies;

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