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Research Synthesis and the Value per Statistical Life.

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Determining the value of statistical life (VSL) for policy is challenging. Structured reviews and expert input can improve VSL estimates for environmental and safety regulations.

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Benefit-cost analysishealth risk valuationvalue per statistical lifewillingness to pay

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Area of Science:

  • Environmental Economics
  • Risk Assessment
  • Public Policy

Background:

  • The value of statistical life (VSL) quantifies the willingness to pay for small reductions in mortality risk.
  • VSL is crucial for cost-benefit analyses of environmental, health, and safety regulations.
  • Current VSL estimation methods face challenges with applicability and consistency across studies.

Purpose of the Study:

  • To review and synthesize existing research on estimating the value of statistical life (VSL).
  • To identify limitations in current VSL estimation methods and propose improvements.
  • To explore the utility of structured review and expert elicitation for VSL determination.

Main Methods:

  • Systematic literature review of VSL studies.
  • Analysis of research-synthesis methods applied to VSL estimation.
  • Discussion of expert elicitation as an underutilized method for VSL.

Main Results:

  • Limited application of research-synthesis methods in VSL estimation.
  • Need for structured, criteria-driven reviews of VSL studies.
  • Expert elicitation is valuable for limited or inconsistent research, though impact on estimates is unclear.

Conclusions:

  • More structured reviews and meta-analyses are needed to improve VSL estimates.
  • Expert elicitation can enhance the credibility of VSL in policy analysis.
  • Current US VSL estimates hover around $9 million, but improved methods may refine this figure.