Strategies for aggregating risk information in a societal safety context

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Sammanfattning

Risk assessment is a useful tool in ensuring the continuous operation of critical societal functions. It can be used on many levels of an organization or society. One way to conduct risk assessments on higher system levels is to aggregate risk information from lower-level assessments. However, the process of aggregating risk information can be complex and different strategies for such aggregation are suitable depending on the underlying risk information, the characteristics of the described risks, and the analysts’ intentions. To use a particular aggregation strategy, different conditions must be met. In addition, throughout the aggregation process, a range of both generic and strategy-specific challenges require attention and careful consideration. Little previous research has focused on describing and systematizing different aggregation strategies, including description of the conditions and challenges for employing the strategies. Therefore, the aim of this paper is to further develop the conceptual basis of aggregation and to propose some common aggregation strategies that can be used within the area of societal safety. Furthermore, the paper also aims at describing the conditions and challenges of employing the strategies. In total, six strategies are proposed based on what risk information that needs to be aggregated (likelihoods, consequences or neither). In addition, the aggregation can be simple, in cases where a set of conditions are met, or more complex where overlaps and interactions between scenarios must be considered. The framework can be used to inform the process of aggregating risk information and has relevance across a range of different application areas.
Originalspråkengelska
Sidor (från-till)11
TidskriftSafety Science
Volym149
DOI
StatusPublished - 2022

Ämnesklassifikation (UKÄ)

  • Studier av offentlig förvaltning

Fria nyckelord

  • Risk aggregation
  • societal safety
  • aggregation strategies
  • challenges
  • Risk and vulnerability assessment
  • critical societal functions.

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