The Social Value of Mortality Risk Reduction: VSL vs. the Social Welfare Function Approach
AbstractWe examine how different welfarist frameworks evaluate the social value of mortality riskreduction. These frameworks include classical, distributively unweighted cost-benefit analysis—i.e., the “value per statistical life” (VSL) approach—and three benchmark social welfare functions (SWF): a utilitarian SWF, an ex ante prioritarian SWF, and an ex post prioritarian SWF. We examine the conditions on individual utility and on the SWF under which these frameworks display the following five properties: i) wealth sensitivity, ii) sensitivity to baseline risk, iii) equal value of risk reduction, iv) preference for risk equity, and v) catastrophe aversion. We show that the particular manner in which VSL ranks risk-reduction measures is not necessarily shared by other welfarist frameworks, and we identify when the use of an ex ante or an ex post approach has different implications for risk policymaking.
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Date of creation: Mar 2012
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Value of statistical life; social welfare functions; cost-benefit analysis; equity;
Other versions of this item:
- Adler, Matthew & Hammitt, James & Treich, Nicolas, 2012. "The Social Value of Mortality Risk Reduction: VSL vs. the Social Welfare Function Approach," TSE Working Papers 12-292, Toulouse School of Economics (TSE).
- Adler, Matthew & Hammitt, James & Treich, Nicolas, 2012. "The Social Value of Mortality Risk Reduction: VSL vs. the Social Welfare Function Approach," LERNA Working Papers 12.08.365, LERNA, University of Toulouse.
- D61 - Microeconomics - - Welfare Economics - - - Allocative Efficiency; Cost-Benefit Analysis
- D63 - Microeconomics - - Welfare Economics - - - Equity, Justice, Inequality, and Other Normative Criteria and Measurement
- D81 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Criteria for Decision-Making under Risk and Uncertainty
- Q51 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Valuation of Environmental Effects
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