Risk-informed decision making of safety investments by using the disproportion factor

L Talarico, Genserik Reniers

Research output: Contribution to journalArticleScientificpeer-review

13 Citations (Scopus)

Abstract

To improve risk informed decision making, a systematic approach is developed. The goal is to analyze and to evaluate safety investments aimed at mitigating and preventing major accidents involving e.g. hazardous materials that might trigger significant financial losses and fatalities. A formulation, explicitly using a disproportion factor, is proposed as a simulation exercise approach to this end. The disproportion factor can be used by any private and public investor to bias decision-makers toward safety. This is especially interesting for deciding about the prevention of high impact low probability (HILP) accidents.

Furthermore experimental simulations have been performed on realistic data to test the proposed decision model and to provide general recommendations. Several types of accidents were considered and the impacts of technical and financial parameters on the disproportion factor, possibly making a safety investment profitable from an economic perspective, are also investigated and discussed in this paper.
Original languageEnglish
Pages (from-to)117-130
JournalProcess Safety and Environmental Protection
Volume100
DOIs
Publication statusPublished - 2016

Keywords

  • Disproportion factor
  • Safety investment
  • Risk analysis
  • Decision model
  • Risk management
  • cost-benefit analysis

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