Consider a market with switching costs that is initially served by a monopolistic incumbent. How can a competitor successfully enter this market? We show that an offer to undercut the incumbent by a fixed margin serves this purpose. This strategy dominates traditional entry where the entrant...

Consider a market with switching costs that is initially served by a monopolistic incumbent. How can a competitor successfully enter this market? We show that an offer to undercut the incumbent by a fixed margin serves this purpose. This strategy dominates traditional entry where the entrant...

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...

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...

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...

The decision over exports vs. foreign direct investment (FDI) is usually discussed in an extension of the so-called Melitz model where firms with heterogeneous costs compete in a monopolistically competitive industry. The present paper starts from a situation where a potential foreign entrant...

In his book on “Market Microstructure” Spulber presented some strange results with respect to the impact of the substitutability parameter in an intermediation model with differentiated products and inputs. Intuitively, effects in the product and the input market should be similar: if firms...

The related phenomena of learning curve and network effects are quite common in oligopolistic markets. In this context the present paper discusses the incentives of a technological leader to share its exclusive technology with potential competitors. An alliance may be preferable because partner...

The demographic problems in developed countries are getting more and more important. Very low fertility rates especially among skilled individuals will soon become relevant for a country's economy. Also of importance is education of children. Since there is an increasing demand for skilled...

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 the...