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...

Die analytisch korrekte Bestimmung von DCF-Unternehmens- und Projektwerten ist nicht trivial...

This paper proposes a new wealth-dependent utility function for the inter-temporal consumption and portfolio problem, in which the subsistance (bliss) con-sumption level is a function of wealth. Ratchet effects obtain when higher wealth in-creases the subsistance consumption level; blas´...

This paper examines the unification of non-voting preference shares into a one share one vote structure using a sample of all German dual-class companies from 1987 until 2003. We test several hypotheses with regard to the reasons for the abolition of preference shares.First, as the separation of...

A common method of valuing the equity in leveraged transactions is the flows-to-equity method whereby the free cash flow available to equity holders is discounted at the cost of equity. This method uses a standard definition of equity free cash flow, but the cost of equity varies over time as...

Ziel dieses Beitrages ist es, die Zusammenhänge zwischen den Binomialmodellen der Operationsbewertung (Replikation bzw. Methode der risikoneutralen Wahrscheinlichkeiten) und dem Black/Scholes Modell aufzuzeigen und zu analysieren...

We introduce a new analytical approach to price American options. Using an explicit and intuitive proxy for the exercise rule, we derive tractable pricing formulas using a short-maturity asymptotic expansion. Depending on model parameters, this method can accurately price options with...

In this paper we construct arbitrage-free market models of stochastic volatility type for one stock, one bank account and a finite family of European call options with various strikes and maturities. We first introduce local implied volatilities and price level as market observables which...