We investigate default probabilities and default correlations of Merton-type credit portfolio models in stress scenarios where a common risk factor is truncated. The analysis is performed in the class of elliptical distributions, a family of light-tailed to heavy-tailed distributions...

The Basel III framework represents the response to the regulation deficits of the financial cri-sis and the immense losses of many banks in years 2007/2008. The aim of the framework is to increase the level of capital in financial institutions and to improve the loss absorption and risk coverage...

Most traditional Value at Risk models neglect market liquidity risk and hence only consider the market price risk (i.e. risk associated with holding a certain position). In order to fully capture the market risk associated to holding and trading a position, we first define market liquidity risk,...