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Resilience Engineering and Risk Management, Lecture notes of Logic

A set of lecture notes from a Critical Thinking course at Oklahoma State University. The notes discuss the limitations of traditional risk assessments and introduce the concept of resilience engineering as an alternative approach. The document also explores the relationship between resilience engineering and risk management, highlighting the need for a broad risk management framework that incorporates the principles of resilience engineering. The notes reference several authors and concepts, including FRAM, STAMP, antifragility, and Taleb's ideas on risk management.

Typology: Lecture notes

2022/2023

Available from 10/28/2022

HOUSEMAN56
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Oklahoma State University – Oklahoma City
Critical Thinking
Lecture Notes Eight
PHIL 1313
Fall 2022
Contents: Risk Management Principles and Strategies.
Lecture Notes Eight
Traditional risk assessments are based on causal chains and event analysis, failure
reporting and risk assessments, calculating historical data-based probabilities.
This approach has strong limitations in analyzing complex systems as they treat
the system as being composed of components with linear interactions, using
methods like fault trees and event trees, and have mainly a historical failure data
perspective. These problems are addressed in resilience engineering, which
argues for more appropriate models and methods for such systems; see e.g.
Hollnagel et al. (2006). Alternative methods have been developed, of which FRAM
and STAMP are among the most well-known (Hollnagel, 2004, Leveson, 2004,
2011). At first glance, resilience engineering seems to be in conflict with risk
management as it rejects the traditional risk assessments, but there is no need for
such a conflict. With sufficiently broad risk management frameworks, the
resilience dimension is a part of risk management as was highlighted at the
beginning of this section, and discussed for example by Steen and Aven (2011)
and Aven (2015b). The latter reference relates to the antifragility concept of Taleb
(2012), which builds on and extends the resilience concept. The key message of
Taleb is that to obtain top performance over time one has to acknowledge and
even “love” some level of variation, uncertainty and risk. Taleb (2012, pp. 4–5)
proposes “to stand current approaches to prediction, prognostication, and risk
management on their heads”. However, as discussed above, there is no conflict
here if risk and risk management are sufficiently framed and conceptualized.
Proper risk management needs to incorporate these ways of thought, which
relate risk to performance and improvement processes over time.
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Oklahoma State University – Oklahoma City Critical Thinking Lecture Notes Eight PHIL 1313 Fall 2022 Contents: Risk Management Principles and Strategies. Lecture Notes Eight Traditional risk assessments are based on causal chains and event analysis, failure reporting and risk assessments, calculating historical data-based probabilities. This approach has strong limitations in analyzing complex systems as they treat the system as being composed of components with linear interactions, using methods like fault trees and event trees, and have mainly a historical failure data perspective. These problems are addressed in resilience engineering, which argues for more appropriate models and methods for such systems; see e.g. Hollnagel et al. (2006). Alternative methods have been developed, of which FRAM and STAMP are among the most well-known (Hollnagel, 2004, Leveson, 2004, 2011). At first glance, resilience engineering seems to be in conflict with risk management as it rejects the traditional risk assessments, but there is no need for such a conflict. With sufficiently broad risk management frameworks, the resilience dimension is a part of risk management as was highlighted at the beginning of this section, and discussed for example by Steen and Aven (2011) and Aven (2015b). The latter reference relates to the antifragility concept of Taleb (2012), which builds on and extends the resilience concept. The key message of Taleb is that to obtain top performance over time one has to acknowledge and even “love” some level of variation, uncertainty and risk. Taleb (2012, pp. 4–5) proposes “to stand current approaches to prediction, prognostication, and risk management on their heads”. However, as discussed above, there is no conflict here if risk and risk management are sufficiently framed and conceptualized. Proper risk management needs to incorporate these ways of thought, which relate risk to performance and improvement processes over time.

Oklahoma State University – Oklahoma City Critical Thinking Lecture Notes Eight PHIL 1313 Fall 2022 Contents: Risk Management Principles and Strategies. A key challenge is related to the development of the risk field, as outlined in Section 2, having a focus on knowledge and lack of knowledge characterizations, instead of accurate risk estimations and predictions, to meet situations of large uncertainties. Today risk assessments are well established in situations with considerable data and clearly defined boundaries for their use. Statistical and probabilistic tools have been developed and provide useful decision support for many types of applications. However, risk decisions are, to an increasing extent, about situations characterized by large uncertainties and emergence. Such situations call for different types of approaches and methods, and it is a main challenge for the risk field to develop suitable frameworks and tools for this purpose (SRA, 2015b). There is a general research focus on dynamic risk assessment and management rather than static or traditional risk assessment. The concept of emerging risk has gained increasing attention in recent years. Flage and Aven (2015) perform an in-depth analysis of the emerging risk concept and in particular its relation to black swan type of events through the known/unknown. According to this work, we face emerging risk related to an activity when the background knowledge is weak but contains indications/justified beliefs that a new type of event (new in the context of that activity) could occur in the future and potentially have severe consequences to something humans value. The weak background knowledge inter alia results in difficulty specifying consequences and possibly also in fully specifying the event itself; i.e., in difficulty specifying scenarios.