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Lookup NU author(s): Emeritus Professor Ken Willis,
Professor Guy Garrod,
Professor John Benson
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The paper describes a contingent valuation study of the benefits and costs of the Wildlife Enhancement Scheme (WES) (English Nature) on the Pevensey Levels Site of Special Scientific Interest in East Sussex, England. Using a conventional mean WTP value as the appropriate measure of benefits gave a benefit/cost (B/C) ratio of 0.497 for user value and 1.994 for user plus non-user values (households within 60 km of the site) for expenditure under WES. If a more rigorous and conservative truncated mean value was employed, then B/C ratios fell to 0.117 for user values and 0.758 for user plus non-user values. However, assuming the same level of passive use values are held by a similar proportion of all non-visiting households in the UK as observed in the sample survey, this would produce a B/C ratio for truncated mean user plus non-user benefits of 18.26. Even if the addition of further WES sites across the country led to a steep decline in mean marginal non-user WTP for the scheme in the Levels, the B/C ratio would still greatly exceed 1.0.
Author(s): Willis KG, Garrod GD, Benson JF, Carter M
Publication type: Article
Publication status: Published
Journal: Journal of Environmental Planning and Management
Print publication date: 01/09/1996
ISSN (print): 0964-0568
ISSN (electronic): 1360-0559
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