Scope insensitivity in health risk reduction studies: A comparison of choice experiments and the contingent valuation method for valuing safer food

Isabell Goldberg and Jutta Roosen ()

Journal of Risk and Uncertainty, 2007, vol. 34, issue 2, pages 123-144

Abstract: Scope insensitivity and embedding are fundamental concerns in contingent valuation studies for health risk reductions. Recently, choice experiments have increasingly been used to obtain contingent willingness to pay (WTP) estimates. We juxtapose the WTP estimates of a choice experiment (CE) to those of the contingent valuation method (CVM) for different health risk reductions and compare them in the extent of scope insensitivity and embedding. WTP using CVM is scope sensitive for single health risks, but embedding is observed for multiple disease risks. In contrast, WTP based on the CE is highly scope sensitive and convex in risk reduction levels. Copyright Springer Science+Business Media, LLC 2007

Keywords: Choice experiments; Contingent valuation method; Embedding effect; Food safety; Scope insensitivity; Willingness to pay; C9; D8; D12 (search for similar items in EconPapers)

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