Die Größenstruktur der deutschen Städte folgt so wie in vielen anderen Ländern einer strengen Gesetzmäßigkeit: dem Zipfschen Gesetz. Es gibt starke Hinweise, dass dieses Zipfsche Gesetz nicht nur auf nationaler Ebene gilt, sondern auch auf der Ebene von Bundesländern und teilweise sogar...

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In this paper, we examine students' attitudes towards various allocation mechanisms for a scarce resource. For this purpose, we have run a survey among officers of the German military who are enrolled in different courses of study (such as economics) at the University of the German Federal Armed...

- Weltweit nehmen Kohle-, Öl- und Erdgasvorräte ab, der Energiebedarf dagegen steigt dramatisch an. Regenerative Energien mindern zwar die steigenden Klimagefahren, können aber unseren zukünftigen Energiebedarf in Ballungszentren kaum decken. Nach Einschätzung zahlreicher Experten gehört...

A large part of the current debate on US stock price behavior concentrates on the question of whether stock prices are driven by fundamentals or by non-fundamental factors. In this paper we put forward the hypothesis that a present value model with time-varying expected returns provides an...

This paper brings together the literature on determination of home bias in equity holdings and the portfolio balance model of exchange rates to consider whether the dollar might be affected by a change in transactions costs that alters international portfolio allocations. The empirical findings...

In this paper we question the consensus of using a binary crisis definition for empirical crisis models. We believe that the most severe shortcomings of the crisis models today are in the crisis definition rather than the explanatory variables. We present a crisis model that is specified for a...

This paper investigates the credit channel in Germany and the United Kingdom. The financial systems of these two countries show substantial structural differences, which leads one to expect that their real sectors respond differently to changes in monetary policy. To the extent that this is the...

With the "more economic approach" the EU is taking a new tack on merger control policy. This is visible not only in the new SIEC prohibition criterion and the criteria for appraising horizontal mergers but also in more recent decision-making practice. Greater legal certainty, on the one hand,...

The accession of several Central and Eastern European Countries to Euroland is likely to be realised within the next years. Some studies aim at analysing the suitability of these Euro aspirants for currency union with EMU by evaluating the related macroeconomic costs. Still, they are prone to...