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Quantifying Preferences for the Natural World Using Monetary and Nonmonetary Assessments of Value

Citation

Dallimer, M and Tinch, DR and Hanley, N and Irvine, KN and Rouquette, JR and Warren, PH and Warren, PH and Maltby, L and Gaston, KJ and Armsworth, PR, Quantifying Preferences for the Natural World Using Monetary and Nonmonetary Assessments of Value, Conservation Biology, 28, (2) pp. 404-413. ISSN 0888-8892 (2014) [Refereed Article]


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Licensed under Creative Commons Attribution 3.0 Unported (CC BY 3.0) http://creativecommons.org/licenses/by/3.0/

DOI: doi:10.1111/cobi.12215

Abstract

Given that funds for biodiversity conservation are limited, there is a need to understand people's preferences for its different components. To date, such preferences have largely been measured in monetary terms. However, how people value biodiversity may differ from economic theory, and there is little consensus over whether monetary metrics are always appropriate or the degree to which other methods offer alternative and complementary perspectives on value. We used a choice experiment to compare monetary amounts recreational visitors to urban green spaces were willing to pay for biodiversity enhancement (increases in species richness for birds, plants, and aquatic macroinvertebrates) with self-reported psychological gains in well-being derived from visiting the same sites. Willingness-to-pay (WTP) estimates were significant and positive, and respondents reported high gains in well-being across 3 axes derived from environmental psychology theories (reflection, attachment, continuity with past). The 2 metrics were broadly congruent. Participants with above-median self-reported well-being scores were willing to pay significantly higher amounts for enhancing species richness than those with below-median scores, regardless of taxon. The socio-economic and demographic background of participants played little role in determining either their well-being or the probability of choosing a paying option within the choice experiment. Site-level environmental characteristics were only somewhat related to WTP, but showed strong associations with self-reported well-being. Both approaches are likely to reflect a combination of the environmental properties of a site and unobserved individual preference heterogeneity for the natural world. Our results suggest that either metric will deliver mutually consistent results in an assessment of environmental preferences, although which approach is preferable depends on why one wishes to measure values for the natural world.

Item Details

Item Type:Refereed Article
Keywords:choice modeling; ecosystem services; psychological well-being; stated preference; urban ecology; valuation
Research Division:Economics
Research Group:Applied Economics
Research Field:Environment and Resource Economics
Objective Division:Environment
Objective Group:Flora, Fauna and Biodiversity
Objective Field:Mountain and High Country Flora, Fauna and Biodiversity
Author:Tinch, DR (Dr Dugald Tinch)
ID Code:96852
Year Published:2014
Web of Science® Times Cited:14
Deposited By:Tasmanian School of Business and Economics
Deposited On:2014-11-24
Last Modified:2015-01-21
Downloads:135 View Download Statistics

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