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cyclical default correlation and direct default contagion processes. Cyclical correlation is due to the dependence of firms on …
Persistent link: https://www.econbiz.de/10010296447
correlation. …
Persistent link: https://www.econbiz.de/10010276410
The paper proposes a new method to estimate correlation of account level Basle II Loss Given Default (LGD). The … correlation determines the probability distribution of portfolio level LGD in the context of a copula model which is used to … we apply the maximum likelihood method to estimate the best correlation parameter. The method is applied and analyzed on …
Persistent link: https://www.econbiz.de/10010322333
This paper uses a frequency domain approach to gain insight into the correlation between survey indicators and year … of the correlation between survey indicators and year-on-year GDP growth at the different frequencies to explain their … overall correlation. We show that survey indicators, similar to year-on-year GDP growth, do not perfectly reflect business …
Persistent link: https://www.econbiz.de/10011506652
The goal of the Basle II regulatory formula is to model the unexpected loss on a loan portfolio. The regulatory formula is based on an asymptotic portfolio unexpected default rate estimation that is multiplied by an estimate of the loss given default parameter. This simplification leads to a...
Persistent link: https://www.econbiz.de/10010322310
correlation risk premium. This premium, which covaries negatively with current realized correlations and positively with future … realized correlations, sheds light on market perceptions of and attitude towards correlation risk. …
Persistent link: https://www.econbiz.de/10010295946
analytically calculate their interrisk correlation and show how inter-risk correlation bounds can be derived. Moreover, we … particular, we suggest estimators for the correlation parameter of the Gaussian copula that can be used for general credit … behandelt die Diversifikation innerhalb einer Risikoart (z.B. Markt- oder Kreditrisiko), wohingegen Interrisiko …
Persistent link: https://www.econbiz.de/10010295948
estimation which avoids in a controlled way the underestimation of correlation risk. Empirical evidence is presented how, in the …
Persistent link: https://www.econbiz.de/10010298190
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/10010301737
underestimation of correlation risk. Empirical evidence is presented that, in the framework of the CreditRisk+ model with integrated …
Persistent link: https://www.econbiz.de/10010306233