Identifying the scope effect on a meta-analysis of biodiversity valuation studies

Elena Ojea and Maria Loureiro

Resource and Energy Economics, 2011, vol. 33, issue 3, 706-724

Abstract: Insensitivity to scope is an issue of much debate in contingent valuation (CV) even today. Although the literature about insensitivity to scope is abundant, the reasons for it are not yet well known. Through a meta-analysis of CV studies of biodiversity, the treatment of the different possible measures of the quantity of the good is explored in relation to scope sensitivity. Overall, the findings suggest that CV results are sensitive to the amount of the good being valued, although the result depends on how the environmental change is measured. Results support the use of absolute sizes when conducting CV studies.

Keywords: Biodiversity; Contingent; valuation; Ecosystems; Meta-analysis; Scope; test (search for similar items in EconPapers)
Date: 2011
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Citations: View citations in EconPapers (27)

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