We address the problem of decomposing the risk of a multi-factor credit portfolio into marginal contributions through a fast analytical approach: it is based on Taylor polynomial expansion of the overall risk and on the subsequent partial derivatives with respect to the single exposures,...

The paper describes a theoretical approach to determine the downturn LGD for residential mortgages, which is compliant with the regulatory requirement and thus suited to be used for validation, at least as it can give benchmark results. The link between default rates and recovery rates is in...

There has been a wide-spread misconception based on the imprecise wording of Art. 52 of the European Patent Convention (EPC) that the protection of business methods by patents is prohibited in Europe. This paper investigates the legal framework set by patent laws with respect to the...

Der Beitrag diskutiert die Anwendung des im Rahmen der Unternehmensbewertung häufig angewandten Gordon/Shapiro-Modells bei Vorliegen von Inflation sowie persönlichen Steuern. Gezeigt wird, dass sich steuerlich bedingtes und inflationsinduziertes Wachstum parallel im Kalkül erfassen lassen,...