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

Isabell Goldberg, Jutta Roosen

Research output: Contribution to journalArticlepeer-review

61 Scopus citations

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.

Original languageEnglish
Pages (from-to)123-144
Number of pages22
JournalJournal of Risk and Uncertainty
Volume34
Issue number2
DOIs
StatePublished - Apr 2007
Externally publishedYes

Keywords

  • Choice experiments
  • Contingent valuation method
  • Embedding effect
  • Food safety
  • Scope insensitivity
  • Willingness to pay

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