In this paper we study the impact of more transparency in the interbank market on the volume of bank intermediated loans and on the profitability of the banking business. Transparency is modeled by means of the informational content of publicly observable signals correlated to the random...

The competitive allocation of labor across different sectors of an economy may not be socially optimal when one sector uses foreign capital. We argue that a suitably designed government intervention is required to restrict the sectors to their optimal size and maximize national welfare. Such a...

International and national investors are often exposed to real wealth risks, stemming from volatile asset prices and inflation uncertainty, making it difficult to stabilize consumption patterns. However, investors can enter futures markets to hedge against these risks. The paper develops a...

To explain the strategic dimension in pricing options, it will be helpful to go back to the heart of the idea behind the concept of an option: options open up the possibility to postpone current decisions to a future point of time. Because of this flexibility additional information and new...

We derive a class of utility functions that are equivalent with respect to a well-defined functional form. We study the case of constant relative risk aversion (of some order) to investigate on different equivalence relations in order to determine the, possibly infinite, number of equivalence...

The value at risk measure attempts to summarize in a single number market value risk of a portfolio of financial assets.The paper focuses on the interaction between the solvency probability of a bank, on one hand, and the diversification potential of its portfolio, on the other hand, when...

Bei Unsicherheit über die zukünftige Entwicklung des Wechselkurses sind international tätige Unternehmen nicht indifferent in Bezug auf die Wahl der Währung ihrer Preissetzung. Denn die bei der Fakturierung festgelegte Währung kann die Ertragssituation des Unternehmens erheblich...

Im Risikomanagement von Banken findet das Value at Risk-Konzept verstärkt Anwendung. Baut die Solvenzpolitik einer Bank auf dem Value at Risk-Konzept auf, müssen Aktiv- und Passivgeschäft der Bank simultan betrachtet werden. In einem Entscheidungsmodell für eine Bank werden die notwendige...

Using a two-moment decision model this paper analyzes corporate hedging behavior in the presence of unified and differential income taxation. We start with the well-known result that risk-taking may increase when income tax rates increase and, therefore, the incentive for hedging reduces. We...

Basel II changes risk management in banks strongly. Internal rating procedures would lead one to expect that banks are changing over to active risk control. But, if risk management is no longer a simple "game against nature", if all agents involved are active players then a shift from a...