Finanzielle Mittelanlagen sollten stets eine risikogerechte Rendite erbringen. Dies gilt für Aktien ("risidual claims") in gleicher Weise wie für zinstragende 'Aktiven ("debt contracts"). Risiko-Rendite-Betrachtungen müssen dabei in verschiedener Hinsicht differenziert erfolgen...

Der Bewertung von Unternehmen, Geschäftsbereichen und Führungseinheitenkommt im heutigen Wirtschaftsumfeld wachsende Bedeutung zu.Die Orientierung an Wertgrössen hat zum Hauptbezugspunkt der finanziellenFührung avanciert. Die Unternehmensbewertung ist damit nichtnur im Zusammenhang mit immer...

Structured financial products have gained more and more popularity in recent years, but nevertheless has their success so far notthoroughly been analyzed. In this article we develop a theoreticalframework for the design of optimal structured products and analyzethe maximal utility gain for an...

We present a model for the α-beauty contest that explains common patterns in ex-perimental data of one-shot and iterative games. The approach is based on two basic assumptions. First, players iteratively update their recent guesses. Second, players estimate intervals rather than exact numbers...

Based on the APARCH model and two outlier detection methods, we computereliable time series of volatility asymmetry for 49 countries with relatively few ob-servations. Results show a steady increase in the asymmetry over the years for mostcountries. We nd that economic development and market...

The paper rst shows that nancial market equilibria need not to exist if agents possesscumulative prospect theory preferences with piecewise-power value functions. This is due tothe boundary behavior of the cumulative prospect theory value function, which might causean innite short-selling...

We demonstrate that in simple 2 X 2 games (cumulative) prospect theorypreferences can be evolutionarily stable, i.e. a population of players withprospect theory preferences can not be invaded by more rational players. Thisholds also if probability weighting is applied to the probabilities of...

We study probabilities which determine the payo of barrier options:the probability that an asset hits a barrier before maturity, theprobability that the asset is below the barrier at maturity, and theratio of both probabilities. The correct estimation of these probabilitieshas crucial eects on...

We study the influence of systematic probability misestimation on complexfinancial investment decisions on the context of structured financialproducts. Structured products have in recent years become more and morecomplex. We study the question whether this complexity might be a...

CEO compensation has increased substantially over the past 15 years, but so has forcedturnover. Motivated by this observation, we investigate whether part of the developmentof CEO pay can be explained by a premium which compensates CEOs for increased job risk.We ¯nd that for the CEOs of the...