Please use this identifier to cite or link to this item: http://hdl.handle.net/1893/1950
Appears in Collections:Economics Journal Articles
Peer Review Status: Refereed
Title: Accounting for Negative, Zero and Positive Willingness to Pay for Landscape Change in a National Park
Authors: Hanley, Nicholas
Kristrom, Bengt
Watson, Fiona
Contact Email: n.d.hanley@stir.ac.uk
Keywords: WTP
landscape
Issue Date: Feb-2009
Publisher: Wiley-Blackwell / The Agricultural Economics Society
Citation: Hanley N, Kristrom B & Watson F (2009) Accounting for Negative, Zero and Positive Willingness to Pay for Landscape Change in a National Park, Journal of Agricultural Economics, 60 (1), pp. 1-16.
Abstract: In contingent valuation, despite the fact that many externalities manifest themselves as costs to some and benefits to others, most studies restrict willingness to pay to being non-negative. In this paper, we investigate the impact of allowing for negative, zero and positive preferences for prospective changes in woodland cover in two UK national parks, the Lake District and the Trossachs. An extended spike model is used to accomplish this. The policy implications of not allowing for negative values in terms of aggregate benefits are also investigated, by comparing the extended spike model with a simple spike making use of only zero and positive bids, and a model which considers positive bids only. We find that ignoring negative values over-states the aggregate benefits of a woodland planting project by up to 44%.
Type: Journal Article
URI: http://hdl.handle.net/1893/1950
DOI Link: http://dx.doi.org/10.1111/j.1477-9552.2008.00180.x
Rights: Published in Journal of Agricultural Economics. Copyright: Wiley-Blackwell / The Agricultural Economics Society.; The definitive version is available at www3.interscience.wiley.com; Rights as indicated by the Exclusive Licence Form: http://www.blackwellpublishing.com/pdf/jage_caf.pdf
Affiliation: Economics
Swedish University of Agricultural Sciences
University of Stirling

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