This work gives a brief overview of the portfolio selection problem following the mean-risk approach first proposed by Markowitz (1952). We consider various risk measures, i.e. variance, value-at-risk and expected-shortfall and we study the efficient frontiers obtained by solving the portfolio...

Previous research has shown that frictions might have a significant impact on the value of a contingent claim, as discussed, for example, in Karatzas & Kou (1996)and Collin-Dufresne & Hugonnier (2002). We consider two types of frictions particularly important: frictions related to trading, such...

Recent studies have found unmeasured intangible capital to be large and important. In this paper we observe that by nature intangible capital is also very different from physical capital. We find it plausible to argue that the accumulation process for intangible capital differs significantly...

Which strategies will survive in the long run and which will diminish? These are important questions in evolutionary finance. Up to now we only know answers in the case of stationary dividends. But the evolutionary perspective to the financial market is considering very long time horizons. In...

Most previous research on efficiency in banking takes a regulatory perspective. In contrast,this paper investigates the empirical relation between efficiency and profitability in five largeeconomies of the European Union during the period 1998-2005 and discusses the results fromthe perspective...

Loss Given Default (LGD) is a major element for pricing credits and bonds. As there has beena substantial amount of research during the last years, this paper aims to give an overview.Initially, defaults and recovery definitions for credits and the differences to bonds are discussed.A survey of...

Im Mittelpunkt dieser Arbeit steht die Analyse der Vor- und Nachteile einer geglätte-ten versus aktuellen Informationsbasis in einem theoretischen Modell. Am Beispielstabiler Agency-Ratings und volatiler marktbasierter Ratings zeigt sich, dass die Ef-fekte der Berichtsmethode von den...