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Willingness to Pay for Car Safety: Sensitivity to Time Framing

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Abstract

Stated preference (SP) surveys attempt to obtain monetary values for non-market goods that reflect individuals' “true”' preferences. Numerous empirical studies suggest that monetary values from SP studies are sensitive to survey design and so may not reflect respondents' true preferences. This study examines the effect of time framing on respondents' willingness to pay (WTP) for car safety. We explore how WTP per unit risk reduction depends on the time period over which respondents pay and face reduced risk. Using data from a Swedish contingent valuation survey, we find that WTP is sensitive to time framing; estimates based on an annual scenario are about 30 to 70 percent higher than estimates from a monthly scenario.

Suggested Citation

  • Andersson, Henrik & Hammitt, James & Lindberg, Gunnar & Sundström, Kristian, 2008. "Willingness to Pay for Car Safety: Sensitivity to Time Framing," Working Papers 2008:8, Swedish National Road & Transport Research Institute (VTI).
  • Handle: RePEc:hhs:vtiwps:2008_008
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    File URL: http://www.transportportal.se/SWoPEc/Andersson_etal_VSL_Time.pdf
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    Cited by:

    1. Sundström, Kristian & Andersson, Henrik, 2009. "Swedish Consumers' Willingness to Pay for Food Safety - a Contingent Valuation Study on Salmonella Risk," Working Papers 2009:2, Swedish National Road & Transport Research Institute (VTI).
    2. Henrik Andersson & Nicolas Treich, 2011. "The Value of a Statistical Life," Chapters,in: A Handbook of Transport Economics, chapter 17 Edward Elgar Publishing.
    3. Haddak, Mohamed Mouloud & Lefèvre, Marie & Havet, Nathalie, 2016. "Willingness-to-pay for road safety improvement," Transportation Research Part A: Policy and Practice, Elsevier, vol. 87(C), pages 1-10.
    4. Andersson, Henrik, 2008. "Perception of Own Death Risk: A Reassessment of Road-Traffic Mortality Risk," Working Papers 2008:11, Swedish National Road & Transport Research Institute (VTI).
    5. Henrik Andersson & James Hammitt & Gunnar Lindberg & Kristian Sundström, 2013. "Willingness to Pay and Sensitivity to Time Framing: A Theoretical Analysis and an Application on Car Safety," Environmental & Resource Economics, Springer;European Association of Environmental and Resource Economists, vol. 56(3), pages 437-456, November.
    6. Henrik Andersson & James K. Hammitt & Kristian Sundström, 2015. "Willingness to Pay and QALYs: What Can We Learn about Valuing Foodborne Risk?," Journal of Agricultural Economics, Wiley Blackwell, vol. 66(3), pages 727-752, September.

    More about this item

    Keywords

    Car safety; Contingent valuation; Double bound; Willingness to pay;

    JEL classification:

    • C52 - Mathematical and Quantitative Methods - - Econometric Modeling - - - Model Evaluation, Validation, and Selection
    • D60 - Microeconomics - - Welfare Economics - - - General
    • I10 - Health, Education, and Welfare - - Health - - - General
    • Q51 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Valuation of Environmental Effects

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