On the complex definition of risk: a systems-based approach

Risk Analysis : an Official Publication of the Society for Risk Analysis
Yacov Y Haimes

Abstract

The premise of this article is that risk to a system, as well as its vulnerability and resilience, can be understood, defined, and quantified most effectively through a systems-based philosophical and methodological approach, and by recognizing the central role of the system states in this process. A universally agreed-upon definition of risk has been difficult to develop; one reason is that the concept is multidimensional and nuanced. It requires an understanding that risk to a system is inherently and fundamentally a function of the initiating event, the states of the system and of its environment, and the time frame. In defining risk, this article posits that: (a) the performance capabilities of a system are a function of its state vector; (b) a system's vulnerability and resilience vectors are each a function of the input (e.g., initiating event), its time of occurrence, and the states of the system; (c) the consequences are a function of the specificity and time of the event, the vector of the states, the vulnerability, and the resilience of the system; (d) the states of a system are time-dependent and commonly fraught with variability uncertainties and knowledge uncertainties; and (e) risk is a measure of the probability ...Continue Reading

References

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Sep 1, 1987·Risk Analysis : an Official Publication of the Society for Risk Analysis·P K LaGoy
Jan 19, 2002·Risk Analysis : an Official Publication of the Society for Risk Analysis·S KaplanB J Garrick
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Jun 24, 2004·Risk Analysis : an Official Publication of the Society for Risk Analysis·George E Apostolakis
Apr 1, 2006·Risk Analysis : an Official Publication of the Society for Risk Analysis·Yacov Y Haimes
Mar 20, 2008·Journal of Neurology·Alejandro Arias-VásquezCornelia M van Duijn
Apr 2, 2009·Risk Analysis : an Official Publication of the Society for Risk Analysis·Yacov Y Haimes

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Citations

Jul 17, 2013·Risk Analysis : an Official Publication of the Society for Risk Analysis·Massimo Andretta
Apr 23, 2010·Risk Analysis : an Official Publication of the Society for Risk Analysis·William Leiss
Jul 22, 2010·Risk Analysis : an Official Publication of the Society for Risk Analysis·Michael Greenberg, Karen Lowrie
Nov 21, 2012·Risk Analysis : an Official Publication of the Society for Risk Analysis·Yacov Y Haimes
Mar 3, 2011·Risk Analysis : an Official Publication of the Society for Risk Analysis·Yacov Y Haimes
Nov 17, 2010·Risk Analysis : an Official Publication of the Society for Risk Analysis·Terje Aven
Apr 2, 2011·Risk Analysis : an Official Publication of the Society for Risk Analysis·Yacov Y Haimes
Jan 10, 2018·Risk Analysis : an Official Publication of the Society for Risk Analysis·Benjamin Donald OakesAndrés Alayón Glazunov
Aug 9, 2018·Risk Analysis : an Official Publication of the Society for Risk Analysis·Christoph WernerJohn Quigley
Aug 14, 2018·Risk Analysis : an Official Publication of the Society for Risk Analysis·Corinne Curt, Jean-Marc Tacnet
Oct 13, 2018·Risk Analysis : an Official Publication of the Society for Risk Analysis·Shital A Thekdi, Joost Santos
Mar 2, 2019·Risk Analysis : an Official Publication of the Society for Risk Analysis·Ayedh AlmutairiJames H Lambert
Dec 5, 2019·Risk Analysis : an Official Publication of the Society for Risk Analysis·Tzu Yang LohKiril Tenekedjiev
May 24, 2020·Risk Analysis : an Official Publication of the Society for Risk Analysis·Terje Aven, Roger Flage
Sep 29, 2017·Journal of Health Communication·Yulia A Strekalova, Janice L Krieger
Aug 12, 2017·Risk Analysis : an Official Publication of the Society for Risk Analysis·Luca Allodi, Fabio Massacci
Mar 8, 2020·Risk Analysis : an Official Publication of the Society for Risk Analysis·Tzu Yang LohKiril Tenekedjiev
Mar 29, 2020·Risk Analysis : an Official Publication of the Society for Risk Analysis·T AndersonM Rouncefield
Jul 19, 2012·Risk Analysis : an Official Publication of the Society for Risk Analysis·Michele BristowKeith W Hipel
Jan 20, 2021·International Journal of Occupational Safety and Ergonomics : JOSE·Elizabeth Maynard, Don Harris
Apr 3, 2021·JCO Clinical Cancer Informatics·Ciarán D McInerneyOwen A Johnson
Apr 29, 2021·Risk Analysis : an Official Publication of the Society for Risk Analysis·Tom M LoganRoger Flage

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