The Social Value of Seascapes in the Jurien Bay Marine Park: An Assessment of Positive and Negative Preferences for Change
The Jurien Bay Marine Park, Australia, is known for its pristine seascapes, including views of the ocean and of the coastline. To aid the management of the various seascapes, this paper estimates aspects of the social value of these seascapes through the use of a contingent valuation study. Positive and negative preferences for change were accommodated within the survey design and model estimation. A single-function extended spike model was employed to estimate the willingness to pay (WTP) for protection of the seascapes, and was later constrained to a restricted version of a spike model. The restricted model identified that a proportion of the population had a positive preference for change within the seascapes, but a larger proportion had a negative preference, resulting in a positive net WTP to maintain seascapes in their current condition. Seascapes with coastal views were determined as having the highest social value; however, the value of the ocean seascapes followed closely behind. The positive welfare estimate for natural seascapes provides a reason for their preservation. Copyright 2006 Blackwell Publishing Ltd.
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