Showing 1 - 10 of 697,310
correlation into a commonly used model of default and portfolio credit risk by allowing for dependency between firm default risk …
Persistent link: https://www.econbiz.de/10011584809
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...
Persistent link: https://www.econbiz.de/10010405475
of a dominant correlation: whether it is of intra d-d/lgd-lgd or inter d-lgd type. Showing that the classic Vasicek … distribution (derived originally for intra d-d correlations only), modified to embrace both intra and inter correlation types by … properly constructing composite mean and correlation parameters, offers an analytic solution which covers an entire range of …
Persistent link: https://www.econbiz.de/10013084226
The relation between asset correlation and default probability is critical for determining bank regulatory capital … North American companies, we find that asset correlation tends to increase as credit quality (measured by agency ratings … on stock price dynamics: volatility and correlation increase substantially from the second quarter of 2008 and decline …
Persistent link: https://www.econbiz.de/10013090503
The stability of the financial system is associated with systemic risk factors such as the concurrent default of numerous small obligors. Hence it is of utmost importance to study the mutual dependence of losses for different creditors in the case of large, overlapping credit portfolios. We...
Persistent link: https://www.econbiz.de/10012953187
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...
Persistent link: https://www.econbiz.de/10012988732
In credit risk modelling, the correlation of unobservable asset returns is a crucial component for the measurement of …,000 European firms from 1996 to 2004. We compare correlation and value-atrisk (VaR) estimates in a one-factor or market model and a …
Persistent link: https://www.econbiz.de/10012989288
Persistent link: https://www.econbiz.de/10001637575
Starting from the Merton framework for firm defaults, we provide the analytics and robustness of the relationship between default correlations. We show that loans with higher default probabilities will not only have higher variances but also higher correlations between loans. As a consequence,...
Persistent link: https://www.econbiz.de/10010503718
We model 1981-2002 annual US default frequencies for a panel of firms in different rating and age classes. The data is decomposed into a systematic and firm-specific risk component, where the systematic component reflects the general economic conditions and default climate. We have to cope with...
Persistent link: https://www.econbiz.de/10011343953