The choice of an agent between risky and riskless assets is complicated by the existence of idiosyncratic risk. In this paper the agent chooses state-dependent shares of aggregate marketable income (a sharing rule) to provide a partial hedge against the idiosyncratic risk. The agent's Utility...

Unternehmen sichern sich gegen Preisrisiken zunehmend durch Abschluß von Termin-kontrakten oder Optionen ab. Werden das Grundgeschäft, das die Preisrisiken erzeugt, und das Sicherungsgeschäft nach dem Grundsatz strenger Einzelbewertung bilanziert, dann wird ein sicherer Einblick in die...

Israelis commonly hold substantial foreign currency balances at home. This paper examines the phenomenon of these "closet dollars." We show that closet dollars are attractive only if there exists a positive probability that domestic deposits will pay negative dollar rates of return. If such...

Einige große deutsche Unternehmen werden von privaten gemeinnützigen Stiftungen getragen. Dies wirft die Frage auf, weshalb eine solche Lösung der üblichen Vorgehensweise, bei der natürliche Personen Gesellschafter eines Unternehmens sind, vorgezogen wird. In diesem Beitrag wird untersucht,...

In this paper, we derive an equilibrium in which some investors buy call/put options on the market portfolio while others sell them. Also, some investors supply and others demand forward contracts. Since investors are assumed to have similar risk-averse preferences, the demand for these...

Usually it is argued that an increase in exchange rate volatility reduces the volume of international trade since trading firms are risk averse. This paper shows for risk neutral firms that the expected international trade volume in standardized commodities grows with exchange rate volatility....

Portfolio choice is usually modelled by von Neumann-Morgenstern utility. Risk-value models are more general and permit the derivation of risk-value efficient frontiers. A behaviorally based risk measure with an endogenous or exogenous benchmark is used to derive efficient portfolios and to...

The European Community has passed the European Insider Directive which prohibits insider trade in common stock and debt securities. Hence banks are not allowed to sell debt securities when they recieve unfavorable inside information on their borrowers. Until now, German banks have not only been...