A"Delphi exercise"as a tool in Amazon rainforest valuation
Stale Navrud (),
Ariel Ortiz-Bobea and
Jeffrey Vincent ()
No 7143, Policy Research Working Paper Series from The World Bank
The Amazon rainforest, the world's largest and most biodiverse, represents a global public good of which 15 percent has already been lost. The worldwide value of preserving the remaining forest is today unknown. A"Delphi"exercise was conducted involving more than 200 environmental valuation experts from 36 countries, who were asked to predict the outcome of a survey to elicit willingness to pay for Amazon forest preservation among their own countries'populations. Expert judgments of average willingness-to-pay levels, per household per year, to fund a plan to protect all of the current Amazon rainforest up to 2050, range from $4 to $36 in 12 Asian countries, to near $100 in Canada, Germany, and Norway, with other high-income countries in between. Somewhat lower willingness-to-pay values were found for a less strict plan that allows a 12 percent further rainforest area reduction. The elasticity of experts'willingness-to-pay assessments with respect to own-country per capita income is slightly below but not significantly different from unity when results are pooled across countries and income is adjusted for purchasing power parity.
Keywords: Environmental Economics&Policies; Economic Theory&Research; Climate Change Mitigation and Green House Gases; Knowledge for Development; Wildlife Resources (search for similar items in EconPapers)
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