The German decision to finally phase-out nuclear electricity has led to a debate on its effects on electricity prices, emission prices in the European emission trading system, as well as on international electricity trade. We investigate these effects with a Electricity market model for Europe...

This paper shows that import exposure affects voting behavior because it affects local labor markets. We develop a new framework for mediation analysis where one instrumental variable is sufficient to identify three causal effects. Using German data from 1987–2009, we find that import exposure...

Instrumental variables (IV) are a common means to identify treatment effects. But standard IV methods do not allow us to unpack the complex treatment effects that arise when a treatment and its outcome together cause a second outcome of interest. For example, IV methods have been used to show...

Small and medium-sized enterprises (SMEs) show structural shortcomings with regard to the development of international markets. Thus, it is the explicit goal of foreign trade promotion to foster the degree of internationalisation of SMEs. Yet, empirical research whether foreign trade promotion...

Diese Studie befasst sich mit der Quantifizierung der ökonomischen Auswirkungen des Austritts des Vereinigten Königreichs (VK) aus der Europäischen Union (EU) ("Brexit") auf die deutsche und europäische Wirtschaft. Seit dem Brexit-Referendum vom 23. Juni 2016 herrscht über die Zukunft der...