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Erschienen in:
2015 | OriginalPaper | Buchkapitel
20. An Alternative Operational Risk Methodology for Regulatory Capital Calculation
verfasst von : Guaraci Requena, Débora Delbem, Carlos Diniz
Erschienen in: Interdisciplinary Bayesian Statistics
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Abstract
The main objective of this work is to suggest a new method for calculation of regulatory capital required for operational risk as an alternative to the corresponding version advocated by the Basel Committee of Banking Supervision. Our method takes into account genuine dependence among the losses of possible risk units within a financial institution. Our proposal reduces the amount of regulatory capital suggested by Basel Committee, where the risk units are assumed to be perfectly positive-dependent. A simulation study is performed to compare both approaches. Finally, we discuss when Bayesian methods are preferable to the classical ones.