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    Author(s): Mitsuyasu Yabe
    Date: 2007
    Source: In: Watson, Alan; Sproull, Janet; Dean, Liese, comps. Science and stewardship to protect and sustain wilderness values: Eighth World Wilderness Congress symposium; September 30-October 6, 2005; Anchorage, AK. Proceedings RMRS-P-49. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. p. 116-122
    Publication Series: Proceedings (P)
    Station: Rocky Mountain Research Station
    PDF: View PDF  (785 B)

    Description

    Over 18 million people visit and enjoy the view of the world’s largest class caldera topography, which forms the important landscape element of National Park Aso. Aso grassland spreads and rare plants exist in the harmony of nature and human activities. This study was a Contingent Valuation (CV) survey to estimate the conservation value of Aso grassland. We hypothesized that the difference of presented bid amount and respondent’s latent willingness-to-pay (WTP) effects the stated WTP estimation. In multiple discrete choice CV, we identified the bid effect function and introduced it into the estimation process. As a result, the standard error was reduced by more than 70 percent compared with the usual discrete choice CV approach, and then the serious difference between mean and median previously estimated with the logarithm of WTP was dissolved.

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    Citation

    Yabe, Mitsuyasu. 2007. Economic value of ecosystem conservation in Japan: Reduction of starting point bias by bid effect function. In: Watson, Alan; Sproull, Janet; Dean, Liese, comps. Science and stewardship to protect and sustain wilderness values: Eighth World Wilderness Congress symposium; September 30-October 6, 2005; Anchorage, AK. Proceedings RMRS-P-49. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. p. 116-122

    Keywords

    wilderness, biodiversity, protected areas, economics, subsistence, tourism, traditional knowledge, community involvement, policy, stewardship, education, spiritual values

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