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“Mixed signals: Stated preferences for future states of three New Zealand rivers” AgEcon
Bell, Brian A.; Sinner, Jim; Phillips, Yvonne; Yap, Michael; Scarpa, Riccardo; Batstone, Chris; Marsh, Dan.
We conducted an online choice survey to inform advice to the Tasman District Council on setting management objectives for multiple uses and values across several catchments. One sub-sample was recruited via a survey company and a second via a public call with prize draw. From a survey with unlabelled choice sets for three rivers, we estimated a separate model for each river. Coefficients for natural character, fish & fishing, local jobs and cost were generally significant and had expected signs. Coefficients on swimming and boating attributes were weak even though 68% and 31%, respectively, of the panel sample reported engaging in these activities. Levels of attributes varied for the three rivers and, together with within-sample variation, made...
Tipo: Presentation Palavras-chave: Resource /Energy Economics and Policy.
Ano: 2012 URL: http://purl.umn.edu/124234
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Establishing a benefits transfer database for biosecurity decision making an indigenous biodiversity AgEcon
Bell, Brian A.; Cudby, Charlotte; Yap, Michael.
An imbalance of quantitative information on pest and disease impacts hampers biosecurity decision-making; there is relatively good information about impacts on industry, but relatively poor information about how society values the impacts on indigenous biodiversity. A benefits transfer process based on a database of choice experiments could help to redress this imbalance. This paper: briefly reviews four choice experiments that will be the foundation of a database; reviews benefit transfer literature; and sets out framework ideas for a Decision Support System (DSS), which will incorporate biodiversity values via a process for benefit transfer to facilitate more informed biosecurity decisions.
Tipo: Conference Paper or Presentation Palavras-chave: Benefit transfer; Database; Biosecurity; Biodiversity; Decision support system; Resource /Energy Economics and Policy.
Ano: 2009 URL: http://purl.umn.edu/47621
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Assessing the marginal dollar value losses to an estuarine ecosystem from an aggressive alien invasive crab AgEcon
Bell, Brian A.; Menzies, Sharon; Yap, Michael; Kerr, Geoffrey N..
This paper reports on a case study to establish dollar values for loss of biodiversity in the New Zealand coastal marine environment. The study uses the European Shore Crab (Carcinas maenas) as the example alien invasive species and the Pauatahanui Inlet, Wellington, New Zealand, as the ecosystem representative of the coastal marine environment. Choice modelling is the stated preference tool used to elicit marginal dollar values for these various attributes of the inlet. Reallocation of existing government expenditure is used as the payment mechanism. Results indicate a wide range of dollar values for the marginal losses to the environment, with no clear trend on a distance-decay relationship. The probability distributions of the dollar values of the...
Tipo: Conference Paper or Presentation Palavras-chave: Choice modelling; Tax reallocation; Biosecurity; Coastal marine; Environmental Economics and Policy; Research Methods/ Statistical Methods; Resource /Energy Economics and Policy.
Ano: 2008 URL: http://purl.umn.edu/5978
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Valuing indigenous biodiversity in the freshwater environment AgEcon
Bell, Brian A.; Yap, Michael; Cudby, Charlotte.
Biosecurity incursion response decisions require timely, high quality information involving science and economics. The value of the impact on indigenous biodiversity is a key aspect of the economics typically involving cost-benefit analysis. The hypothetical incursion of Biosecurity New Zealand’s top priority weed hydrilla (Hydrilla verticillata) in a typical New Zealand lake (Lake Rotoroa otherwise known as Hamilton Lake) elicits dollar values of impacts on indigenous biodiversity in a freshwater environment. Using the stated preference tool, Choice Modelling, the experimental design was maximised for efficiency of Willingness to Pay (WTP) estimation. The survey method of community meetings of four population samples at varying distances to the incursion...
Tipo: Conference Paper or Presentation Palavras-chave: Non-market valuation; Biosecurity; Biodiversity; Community/Rural/Urban Development; Crop Production/Industries; Environmental Economics and Policy; Land Economics/Use.
Ano: 2009 URL: http://purl.umn.edu/97128
Registros recuperados: 4
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