In this paper a network model is developed in which three players sequentially choose their strategies. In the first stage, a profit–maximizing network firm chooses the price and thus the size of the network. In the second stage the consumers decide whether to join in the network or not. In...

This article concentrates on the possible relationship between trade and pension systems. I consider trade between a capital-abundant home and a labor-abundant foreign country. The underlying model is a two-period overlapping generations-model augmented with factor-price changes resulting from...

Ausgehend von einer knappen Einordnung in die bisherige Entwicklung der Wirtschaft werden die Auswirkungen der Digitalisierung auf den nationalen wie internationalen Wettbewerb sowie die Arbeitsteilung analysiert. Digitalisierung kann zu großen Kosteneinsparungen führen, die sowohl in Form...

This paper summarizes and connects the main findings of the habilitation project. The important social developments analyzed, result from the demographic change that many economies will face in the future. Especially on the regional level, problems arise due to increasing disparities in...

We consider the implications of Germany's demographic development on the regional structure of rural hospital care. According to different predictions regional disparities will arise. This will lead to a legal conflict with the German constitution which demands nationwide close-to-home hospital...

The recent growth of Massive Multiplayer Online Role-Playing Games (MMORPGs) such as World of Warcraft has given rise to many economic as well as legal questions. The assignment of (intellectual) property rights to the licensee as well as to players is an important issue, legal discussion has to...

Collection of several German essays on Functional Overlapping Competing Jurisdictions (FOCJ). Contents: - Appropriate tasks and legal forms - Financing a FOCJ for business development - Using FOCJ to stimulate growth and cluster formation - Technological progress as a decision criterion for...

From an economic point of view, digital transformation has a positive effect on competition. Although the immanent characteristics of information goods, such as network effects in particular, favour the emergence of monopolies, cost reductions also lead to an intensification of (international)...