One empirical argument that has been around for some time and that clearly contra- dicts equity market efficiency is that market prices seem too volatile to be optimal estimates of the present value of future discounted cash flows. Based on this, it is deduced that systematic pricing errors...

Competition among health insurers is widely considered to be a means of enhancing efficiency and containing costs in the health care system. In this paper, it is argued that this could be unsuccessful since health care providers hold a strong position on the market for health care services....

Die Zunahme des internationalen Handels und der internationalen Kapitalbewegungen wird oft für einen Abbau sozialstaatlicher Umverteilung verantwortlich gemacht. In dieser Arbeit wird die Frage untersucht, ob die wachsende Internationalisierung der Wirtschaft zu einer Einschränkung der...

This paper analyses in a simple global games framework welfare effects of different communication strategies of a central bank: it can either publish no more than its overall assessment of the economy or be more transparent, giving detailed reasons for this assessment. The latter strategy is...