Die vorliegende Dissertation umfasst drei Arbeiten zu unterschiedlichen Aspekten der Monitoring-Funktion von Kreditratings im Sekundärmarkt für Kreditrisiken. Basierend auf einem umfassenden Datensatz über den Ratingverlauf aller von Standard & Poor's, Moody's und Fitch zwischen 1985 und 2012...

Asset-backed securities (ABSs) and covered bonds (CBs) are structured finance instruments that require a range of key services, which may be provided by many firms. However, despite the prevalence of structured finance instruments in Europe, the network between issuers and service providers has...

This paper uses the market-standard Gaussian copula model to show that fair spreads on CDO tranches are much higher than fair spreads on similarly-rated corporate bonds. It implies that credit ratings are not sufficient for pricing, which is surprising given their central role in structured...

Especially structured finance instruments were blamed as main reason for the financial crisis 2007, but the understanding for the motivation to originate securitization products is less discovered. Therefor this paper tries to identify main balance sheet characteristics of structured finance...

The paper analyzes a very stylized model of crises and demonstrates how the degree of strategic complementarity in the actions of investors is a critical determinant of fragility. It is shown how the balance sheet composition of a financial intermediary, parameters of the information structure...

The following descriptive paper surveys the various types of loan securitisation and provides a working definition of so-called collateralised loan obligations (CLOs). Free of the common rhetoric and slogans, which sometimes substitute for understanding of the complex nature of structured...