This article develops a socio-economic model that analyzes the doping decision of professional athletes. In their decision to use performance enhancing drugs athletes do not only evaluate the costs and benefits (in terms of potential rank improvement). They also take into account peer-group...

Options on two underlyings are a common exotic product in the equity and FX derivatives market. The value of these kinds of options depends on the correlation of the two underlyings. We will present a model to compute a lower bound for the price of this option. The model, represented by a...

In this paper the efficient market hypothesis in its weak form and the existence of a Monday effect is examined for German stock returns. Using the first order autocorrelation coeffients, a method is developed to test for the existence of finite moments for daily returns. Therefore, simulations...

Dieser Beitrag gibt einen Überblick über Ansatzpunkte und Möglichkeiten zur Integration von Lernprozessen in volkswirtschaftliche Fragestellungen. Es werden alternative Methoden vorgestellt, individuelle aber auch gesellschaftliche Lernenvorgänge in ökonomischen Modellen zu erfassen.