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...

Migration poses both an opportunity and a challenge for the EU, as it offers a solution to labor shortages and demographic imbalances, but also creates social and economic pressure. A fairer distribution of refugees among EU member states, considering age and education level, can optimize labor...

Während Populismus in Europa weiterhin weitverbreitet ist, sieht sich der Kontinent mit einer neuen Flüchtlingsdynamik konfrontiert. Nach der Krise von 2015/2016 ist die EU nun damit beschäftigt, die Herausforderungen der ukrainischen Zuwanderung besser und effizienter zu bewältigen....

In the current economic policy debate, there are often calls to reverse advanced developments in globalisation and the international division of labour. Reasons such as greater business resilience, political independence and, from a climate perspective, less harmful production argue for not...