Reverse stress tests are a relatively new stress test instrument that aims at finding exactly those scenarios that cause a bank to cross the frontier between survival and default. Afterward, the scenario which is most probable has to be identified. This paper sketches a framework for a...

This paper deals with stress tests for credit risk and shows how exploiting the discretion when setting up and implementing a model can drive the results of a quantitative stress test for default probabilities. For this purpose, we employ several variations of a CreditPortfolioView-style model...

We empirically analyze to which extent popular global systemic risk measures (SRMs) yield comparable results with respect to the systemic importance of a financial institution and, in particular, from which determinants the degree of consistency of the classification by the various SRMs depends....

Der Verfasser stellt zwei kommerziell vertriebene Kreditportfoliorisikomodelle, CreditMetrics und CreditPortfolio-View, anhand von Ablaufdiagrammen dar und beschreibt die wichtigsten Modellunterschiede. Auf der Basis dieses Vergleiches werden gravierende Probleme diskutiert, die einer Verwendung...