2021
DOI: 10.1111/risa.13827
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Increasing Preparedness for Extreme Events using Plausibility‐Based Scenario Planning: Lessons from COVID‐19

Abstract: A striking feature of COVID-19 is many countries' low level of preparedness for it, despite pandemics being a known threat. This raises a question as to the reasons for this underpreparedness. While preparedness should have better reflected pandemics' long-run inevitability and potentially catastrophic impact, government-planning horizons are short term, and the attentiveness of policymakers is bounded and subject to multiple demands. Preparedness is therefore affected by the fundamental uncertainty surroundin… Show more

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Cited by 7 publications
(10 citation statements)
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References 46 publications
(65 reference statements)
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“…Secondly, notwithstanding this technical problem, even if it were possible within the Bayesian framework to add more possibilities over time as they are revealed, this would anyway at some point require the downgrading of the probability of ex ante included possibilities due to the finite amount of likelihood available and the requirement that probabilities sum to unity (the so-called problem of "additivity"). This downgrading of probability may contribute to highly impactful and extreme outcomes being overlooked or dismissed by policymakers (Derbyshire, 2022). Thirdly, reserving a portion of probability for these possibilities revealed over time, which is then "consumed" as these possibilities are revealed so that downgrading of the probability of ex ante included possibilities is avoided, does not help because the amount of reserve needed is unknown ex ante (Derbyshire, 2017;Shackle, 1955).…”
Section: Climate Sensitivity and The Methodological Problem Of Uncert...mentioning
confidence: 99%
See 3 more Smart Citations
“…Secondly, notwithstanding this technical problem, even if it were possible within the Bayesian framework to add more possibilities over time as they are revealed, this would anyway at some point require the downgrading of the probability of ex ante included possibilities due to the finite amount of likelihood available and the requirement that probabilities sum to unity (the so-called problem of "additivity"). This downgrading of probability may contribute to highly impactful and extreme outcomes being overlooked or dismissed by policymakers (Derbyshire, 2022). Thirdly, reserving a portion of probability for these possibilities revealed over time, which is then "consumed" as these possibilities are revealed so that downgrading of the probability of ex ante included possibilities is avoided, does not help because the amount of reserve needed is unknown ex ante (Derbyshire, 2017;Shackle, 1955).…”
Section: Climate Sensitivity and The Methodological Problem Of Uncert...mentioning
confidence: 99%
“…Moreover, stringent action to prevent harm can be adjusted downwards, whereas, insufficiently stringent action due to a lack of certainty about its need cannot be retrospectively adjusted upwards. As such, there is an asymmetry to precaution in the presence of known unknowns and surprise that can influence multiplicative effects with irreversible impact (Taleb, 2020;Derbyshire, 2022). In the context of climate change, therefore, it is essential to place a premium on prudential conduct that allows for degrees and types of uncertainty and facets of fundamental uncertainty.…”
Section: Bayes Firming Up the Science And Counterproductive Consequencesmentioning
confidence: 99%
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“…Another work in relation to preparedness is given by Derbyshire ( 2021 ) who considers how plausibility‐based scenario planning can increase preparedness for extreme events like a global pandemic, thereby reducing overconfidence in continued business‐as‐usual in their face, and emphasizing precaution in their wake. In so doing, Derbyshire's work contributes to “type B,” “generic and fundamental” risk science, which is concerned with identifying better ways to present and communicate uncertainties.…”
Section: Content Of This Issuementioning
confidence: 99%