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), CreditMetrics, KMV) still rely on Gaussian copulas. This paper complements the finance literature providing new insights into the … impact of different copulas in stress test applications using supervisory data of 17 large German banks. Our findings imply … high stress effects under extreme scenarios. Heavy-tailed copulas like the Clayton or the t copula are recommended in the …
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The paper provides an overview of the Exposure at Default (EAD) definition, requirements, and estimation methods as set by the Basel II regulation. A new methodology connected to the intensity of default modeling is proposed. The numerical examples show that various estimation techniques may...
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The paper provides an overview of the Exposure at Default (EAD) definition, requirements, and estimation methods as set by the Basel II regulation. A new methodology connected to the intensity of default modeling is proposed. The numerical examples show that various estimation techniques may...
Persistent link: https://www.econbiz.de/10013048184
In this paper we review the pricing and model calibration of Credit Default Swaps referring to both the International Swaps and Derivatives Association (ISDA) CDS contract and credit model standardization guidelines. Furthermore we provide an Excel pricing workbook to supplement the materials...
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Correlated defaults and systemic risk are clearly priced in credit portfolio securities such as CDOs or index CDSs. In this paper we study an extensive CDX data set for evidence whether correlated defaults are also present in the underlying CDS market. We develop a cash flow based top-down...
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