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...

Seit Ausbruch der weltweiten Finanz- und Wirtschaftskrise 2007 findet in der Politik, den Medien und der Ökonomik eine breite Debatte zur Rolle und Regulierung der Ratingagenturen statt. Der vorliegende Artikel fokussiert explizit nur auf einen Aspekt dieser Debatte, nämlich die Rolle und...

The poor performance of credit ratings of structured finance products in the financial crisis has prompted investigation into the role of credit rating agencies (CRAs) in designing and marketing these products. We analyze a two-period reputation model in which a CRA both designs and rates...

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...

In this paper we analyze the source and magnitude of marketing gains from selling structured debt securities at yields that reflect only their credit ratings, or specifically at yields on equivalently rated corporate bonds. We distinguish between credit ratings that are based on probabilities of...

In 2007 the world faced one of the biggest financial crises ever. It was the third important financial crisis in the last 12 years. Spillovers to the real economy and moral hazard behaviour of carpetbaggers resulted in enormous pressure on worldwide political institutions to approve a more...

This paper analyzes the evolution of the structured products market focusing on the tools available for private investors, on which they rely for the selection process. The selection process is extremely difficult because there is a myriad of products, because of the dynamic nature of the market...