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Valuation of small and multiple health risks: A critical analysis of SP data applied to food and water safety

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  • Andersson, Henrik

    (Toulouse School of Economics)

  • Risa Hole, Arne

    (University of Sheffield)

  • Svensson, Mikael

    () (Dept. of Economics)

Abstract

This study elicits individual preferences for reducing morbidity and mortality risk in the context of an infectious disease (campylobacter) using choice experiments. Respondents are in the survey asked to choose between different policies that, in addition to the two health risks, also vary with respect to source of disease being targeted (food or water), when the policy takes place (in time), and the monetary cost. Our results in our baseline model are in line with expectations; respondents prefer the benefits of the program sooner than later, programs that reduce both the mortality and morbidity risk, and less costly programs. Moreover, our results suggest that respondents prefer water- compared with food-safety programs. However, a main objective of this study is to examine scope sensitivity of mortality risk reductions using a novel approach. Our results from a split-sample design suggest that the value of the mortality risk reduction, defined as the value of a statistical life, is SEK 3 177 (USD 483 million) and SEK 50 million (USD 8 million), respectively, in our two sub-samples. This result cast doubt on the standard scope sensitivity tests in choice experiments, and the results also cast doubt on the validity and reliability of VSL estimates based on stated preference (and revealed preference) studies in general. This is important due to the large empirical literature on non-market evaluation and the elicited values’ central role in policy making, such as benefit-cost analysis.

Suggested Citation

  • Andersson, Henrik & Risa Hole, Arne & Svensson, Mikael, 2014. "Valuation of small and multiple health risks: A critical analysis of SP data applied to food and water safety," Karlstad University Working Papers in Economics 11, Karlstad University, Department of Economics.
  • Handle: RePEc:hhs:kaunek:0011
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    Cited by:

    1. Andersson , Henrik & Hultkrantz , Lars & Lindberg , Gunnar & Nilsson , Jan-Eric, 2017. "The role of economic analysis for investment priorities in Sweden’s transport sector," Working papers in Transport Economics 2017:12, CTS - Centre for Transport Studies Stockholm (KTH and VTI).
    2. Zack Dorner & Daniel A. Brent & Anke Leroux, 2016. "Preferences for Intrinsically Risky Attributes," Monash Economics Working Papers 32-16, Monash University, Department of Economics.
    3. Christoph M. Rheinberger & Felix Schläpfer & Michael Lobsiger, 2017. "A Novel Approach to Estimating the Demand Value of Road Safety," Working Papers 2017.15, Fondazione Eni Enrico Mattei.
    4. Dorner, Zach & Brent, Daniel A. & Leroux, Anke, 2016. "Eliciting Risk Preferences for Intrinsic Attributes," 2016 Annual Meeting, July 31-August 2, 2016, Boston, Massachusetts 236644, Agricultural and Applied Economics Association.
    5. Mahasuweerachai, Phumsith & Pangjai, Siwarut, 2016. "Scope Insensitivity in Child's Health Risk Reduction: A Comparison of Damage Schedule and Choice Experiment Methods," 2016 Annual Meeting, July 31-August 2, 2016, Boston, Massachusetts 235577, Agricultural and Applied Economics Association.
    6. Hammitt, James K. & Herrera-Araujo, Daniel, 2017. "Peeling back the onion: Using latent class analysis to uncover heterogeneous responses to stated preference surveys," TSE Working Papers 17-766, Toulouse School of Economics (TSE).

    More about this item

    Keywords

    Choice experiments; Morbidity risk; Mortality risk; Scope sensitivity; Willingness to pay;

    JEL classification:

    • D61 - Microeconomics - - Welfare Economics - - - Allocative Efficiency; Cost-Benefit Analysis
    • H41 - Public Economics - - Publicly Provided Goods - - - Public Goods
    • I18 - Health, Education, and Welfare - - Health - - - Government Policy; Regulation; Public Health
    • Q51 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Valuation of Environmental Effects

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