The paper focuses on the interaction between the solvency probability of a banking firm and the diversification potential of its asset portfolio when determining optimal equity capital. The purpose of this paper is to incorporate value at risk (VaR) into the firm-theoretical model of a banking...

The paper focusses on currency options as financial hedging instrumenta. Since currency forwards imply the well-known Separation result, it follows for arbitragefree hedging markets that Separation must also hold in option markets if the traded options allow for con-structing a synthetical...

We derive a class of utility functions that are equivalent with respect to a well-defined functional form. We apply a general view of constant relative risk aversion to investigate on different equivalence relations. Then we compare our results with standard applications in economics and finance.

This paper presents a model of a competitive risk-averse exporting firm under exchange rate risk. We show that export and hedging decisions can be separated if futures and currency options are available. A full hedge of uncertain export revenue occurs if the futures market is unbiased and the...

Due to globalization competitive firms face increasing economic opportunities for locating their activities in countries, regions and cities that provide the best business environment for their specific needs. In our study we focus on the impact of economic risk and risk preferences upon...

Die vorliegende Arbeit untersucht ein Duopol bei unsicherer Nachfrage unter Risikoaversion. Die Produktion der gesamten Industrie fällt durch die Einführung von Nachfrageunsicherheit; der Marktpreis steigt wegen des schwächeren Wettbewerbs. Damit ist die Veränderung des Gewinns und des...