We analyze around 200 different financial time series, i.e. components of Dow Jones, Nasdaq, FTSE and Nikkei with seven different VaR approaches. We differentiate our analysis according to characteristics that can be observed. Our analysis shows that in high risk situations in which the time...

In order to capture observed asymmetric dependence in international financial returns, we construct a multivariate regime-switching model of copulas. We model dependence with one Gaussian and one canonical vine copula regime. Canonical vines are constructed from bivariate conditional copulas and...

Operationelle Risiken betreffen nahezu jede Geschäftstätigkeit von Banken. Sie verfügen über ein hohes Schadenspotential und stellen eine große Herausforderung für das Risikomanagement der Banken dar. Verena Bayer untersucht Ansätze zur Quantifizierung operationeller Risiken und der...