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Managing operational disruptions through capital adequacy and process improvement

Author

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  • Mizgier, Kamil J.
  • Hora, Manpreet
  • Wagner, Stephan M.
  • Jüttner, Matthias P.
Abstract
Firms maintain a capital charge to manage the risk of low-frequency, high-impact operational disruptions. The loss distribution approach (LDA) measures the capital charge using two inputs: the frequency and severity of operational disruptions. In this study, we investigate whether or not capital charge could be combined with process improvement, an approach predominantly employed for managing high-frequency, low-impact operational disruptions. Using the categorization of events defined by the Basel Accord for different types of operational risk events, we verify three propositions. First, we test whether classification of operational disruptions is warranted to manage the risk. Second, we posit that classification of operational disruptions will display different statistical properties in manufacturing and in the financial services sector. Finally, we test whether risk of operational disruptions can be managed through a combination of process improvement and capital adequacy. We obtained data on 5442 operational disruptions and ran Monte Carlo simulations spanning both these sectors and seven event types. The results reveal that process improvement can be a first line of defense to manage certain types of operational risk events.

Suggested Citation

  • Mizgier, Kamil J. & Hora, Manpreet & Wagner, Stephan M. & Jüttner, Matthias P., 2015. "Managing operational disruptions through capital adequacy and process improvement," European Journal of Operational Research, Elsevier, vol. 245(1), pages 320-332.
    • Handle: RePEc:eee:ejores:v:245:y:2015:i:1:p:320-332
    DOI: 10.1016/j.ejor.2015.02.029
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