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Operational Risk Capital Models (2nd edition)
Discipline: Operational Risk, Quantitative Analysis
First published:
ISBN: 9781782724223
Rafael Cavestany is back as the sole editor of this updated edition of Operational Risk Capital Models. Since the fallout of the great financial crisis (GFC), regulators have been developing new guidance for financial institutions which define plausible responses to severe-impact scenarios (such as the GFC) for operational disruptions to critical business processes. How timely, then, that this new edition should be written during a pandemic that has had far-reaching effects across the global economy and society.
Cavestany has reassembled a roster of operational risk experts to pervasively analyse, quantify and identify the potential economic and operative consequences of this type of impact scenario through a more granular and critical tool: operational risk capital modelling.
This book provides the experiences of its authors during the successful implementation in organisations of operational risk capital models, best practices and industry standards, and the integration of the capital results into day-to-day risk management. The authors use the challenges described in the chapters to define the required elements in the operational risk capital modelling framework.
Contents
Introduction
Challenges of operational risk advanced capital models
Part I: Capture and Determination of the Four Data Elements
Collection of operational loss data: ILD and ED
Scenario analysis framework and BEICFs integration
Part II: General Framework for Operational Risk Capital Modelling
Loss data modelling: ILD and ED
Distributions for modelling operational risk capital
Scenario analysis modelling
Exposure-based approaches
BEICFs modelling and integration into the capital model
Hybrid model construction: Integration of ILD, ED and SA
Derivation of the joint distribution and capitalisation of operational risk
Backtesting, stress testing and sensitivity analysis
Regulatory approval report
Evolving from a plain vanilla to a state-of-the-art model
Part III: Use Test, Integrating Capital Results into the Institution’s Day-to-day Risk Management
Strategic and operational business planning and monitoring
Risk/reward evaluation of mitigation and control effectiveness
Appendix 1: Credibility theory
Appendix 2: Mathematical optimisation methods required for operational risk modelling and other risk mitigation processes
Business risk quantification