The purpose of this paper is to analyse the impact of market-oriented institutional reforms in German network industries. A disaggregated approach is chosen, which differentiates between network services, infrastructure management and network infrastructure. The gradual opening of network...

We explain the recent events in the German market for online access using a model of a regulated monopoly renting phone lines to retailers. Retailers offer either a linear or a flat tariff to consumers. Consumer heterogeneity leads to adverse selection. We show why market entry for flatrate...

The wage policy of a German and a U.S. firm is comparatively analysed with a focus on the relation between wages and hierarchies. While prior studies examine only one particular firm, in this paper two plants of the same owners with similar production processes in different institutional...

In this paper, I study temporary migrations, and its consequences for immigrants' behaviour. I distinguish between temporary migrations where the return time is exogenous, and temporary migrations where the migrant chooses when to return. I then illustrate the consequences both types of...