This study was prepared by Andreas Kuhlmann, while he was working with the Ifo Institute for Economic Research. It was completed in September 2006 and was accepted as a Ph.D. thesis by the Economics Department of the University of Munich. The subject of this study is the analysis of network...

This study investigates the effect of consumption externalities on entry decision in network industries. A non-monotonic relation exists in the monopoly/duopoly profit differential. A monopolist which has to pay a cost to maintain his dominant position, such as a license fee or lobby...

Im Zentrum dieses Beitrags stehen die Märkte für Netzinfrastrukturkapazitäten im Energiesektor. Mit Hilfe des disaggregierten Regulierungsansatzes wird der Umfang der Regulierung auf diejenigen Netzbereiche beschränkt, die durch netzspezifische Marktmacht gekennzeichnet sind. Die...

Wer heute ein Fahrzeug oder eine Maschine reparieren will, braucht Zugriff auf Daten und Schnittstellen. Für viele Handwerksunternehmen wird „Zugang“ zur Schlüsselfrage der digitalen Wirtschaft. In dieser Studie wird herausgearbeitet, welche Regeln derzeit dafür gelten. Dabei zeigt sich:...

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 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...