Schuldenkrise in der Europäischen Union

Die Krise Griechenlands w?chst sich zu einer Gefahr für den gesamten Euroraum aus. Wie soll die Europ?ische Union darauf reagieren? Sie befindet sich im Dilemma zwischen Bailout und Bestrafung des „Defizitsünders“. Das erste scheint für den Bestand der W?hrungsunion unvermeidlich, das zweite ist erforderlich, um einen Moral Hazard zu vermeiden.     

A framework for micropayment evaluation

Lacking payment systems become a bottleneck for the vision of the Information Economy. In many cases, the payments of a fraction of a cent, the so-called micropayments, are of particular interest. In this paper we propose a framework to evaluate the payment systems. The framework consists of a well structured parameter vector of the desired attributes. For the evaluation of attribute values, we suggest to use VTS diagrams from object-oriented analysis and design. The framework is applied to DigiCash, SET and First Virtual. This revised version was published online in August 2006 with corrections to the Cover Date.     

The US Dollar and the Euro as International Currencies

For many decades the US dollar has remained unchallenged as the world’s dominant international currency. What is behind its persistent pre-eminence in the international monetary system and can this be expected to last? Could the euro rival or even surpass the dollar as the leading currency? If it did, what would be the consequences for Euroland?