The German energy transition massively alters the market structure of electricity supply and forces incumbent electric utilities to rethink their business strategies. We analyze three main developments that undermine the former market dominance of the “Big 4” incumbents in Germany. First,...

In this paper, a theoretical model of the impact of product and process innovations on output, capacity utilization, employment, and prices is developed. The model is estimated with micro-data for West German manufacturing firms from the ifo firm panel. The empirical results reveal that...

This paper examines empirically the relationship between innovation and market structure within a simultaneous framework at the industry level of aggregation. We use a model in which R&D affects both, demand and cost conditions. An optimization process leads to optimal industry R&D expenditure...

In Germany a public discussion on the power of banks has been going on for decades now with the term power having at least two meanings. On the one hand, it denotes the power of banks to control public corporations through direct shareholdings or the exercise of proxy votes this is the power of...

This paper proposes the Shannon entropy as an appropriate one-dimensional measure of behavioural trading patterns in financial markets. The concept is applied to the illustrative example of algorithmic vs. non-algorithmic trading and empirical data from Deutsche Börse's electronic cash equity...

Zusammenfassung Historische Ereignisse spiegeln sich in Preisveränderungen auf Finanzmärkten. Dieses Papier untersucht die deutsche Kriegsgeschichte während des zweiten Weltkriegs anhand der Preisentwicklung der in der Schweiz gehandelten deutschen Staatsanleihen. Die Resultate unserer...

Auf die Verunsicherung der Verbraucher durch die Verluste auf dem Finanzmarkt wurde mit einer Vielzahl von neuen Vorschlägen reagiert. Neben einer strengeren Regulierung vieler Angebote wurden neue Institutionen, wie die Einrichtung von Finanzmarktwächtern, eines Finanzmarktchecks...