The literature on vertical integration in markets with regulated upstream prices suggests that the integrated upstream firm might engage in non-price discrimination. Several studies provide policy recommendations derived either from case study approaches or based on theoretical modeling which...

In German electricity submarkets for residential customers standard contracts offered by former monopolists are the more costly option for customers who have not switched to an alternative contract yet. As most German households are served with this contract type we follow the Limit Pricing...

In der aktuellen Debatte zur Rekommunalisierung von Stromanbietern wird häufig das Argument der sicheren Versorgung zu niedrigen Preisen von Vertretern öffentlicher Eigentümer angeführt. Während die sichere Belieferung mit Strom im Rahmen der Grundversorgung gesetzlich vorgeschrieben ist,...

Bisher berechneten das Zentrum für Europäische Wirtschaftsforschung (ZEW) und das Bureau van Dijk (BvD) den ZEW-ZEPHYR M&A-Index, der die Entwicklung weltweit abgeschlossener Fusionen und Übernahmen seit Beginn des Jahres 2000 abbildet. Der bestehende ZEW-Zephyr M&A-Index stellt ein wichtiges...

Abstract In markets with competing interconnected networks like mobile telecommunication markets investments affect the investor’s and also any competitors’ profits. In a theoretical model it is shown that cost-reducing investments reduce the investor’s termination rates and increase...

States and their representatives, national governments, play a key role in national telecommunication markets. As lawmakers, they determine the playing field of the agents in the markets and the decision powers of national regulators. Simultaneously, they are involved in appointing presidential...