In many situations the applied researcher wants to combine different data sources without knowing the exact link and merging rule. This paper introduces a theoretical framework how two different regional administrative data sources can be merged. It presents different merging schemes based on...

Die EU-Osterweiterung ermöglicht eine stärkere Arbeitsteilung zwischen den relativ kapitalreichen Staaten der EU und den relativ arbeitsreichen Zutrittsländern Mittel- und Osteuropas, von der insbesondere die ostdeutschen Kreise in Nähe der Grenze profitieren können. Diese Studie widmet...

Our research, based on the ZEW-Foundation Panel East, examines whether high-tech start-ups are mainly founded in scientific and infrastructural well suited regions or not. Estimation results on the level of postcode areas confirm the hypothesis that specific human capital, knowledge spillovers...

More than one third of the European Union's total budget is spent on socalled Cohesion Policy via the structural funds. Its main purpose is to promote the development of the EU and to support convergence between the levels of development of the various European regions. Investigating the impact...

This chapter discusses factors that contributed to different economic dynamics across European regions and the prevailing disparities. The impact of EU Cohesion Policy in reducing disparities is studied based on the empirical evidence on the effects of EU regional policy. With more than thirty...

We study the labor demand effect of immigration on local labor markets by exploiting the fact that refugees in Germany are banned from working in the first few months after arrival. This natural experiment allows isolating a pure immigration-induced labor demand effect. For empirical...

Does large-scale refugee immigration affect crime rates in receiving countries? We address this question based on the large and unexpected refugee inflow to Germany that peaked in 2015-2016. Arriving refugees were dispersed across the country based on a binding dispersal policy, yet we show that...

Diese Arbeit erstellt ein umfassendes Bild der regionalen Ungleichheit in Deutschland in einer Vielzahl von Größen. Ziel ist es, eine umfassende Sichtweise auf die Komplexität räumlicher Disparitäten zu entwickeln. Neben der wirtschaftlichen Perspektive sind Aspekte der Daseinsvorsorge,...

In this paper, we introduce the concept of a Digital Layer to empirically investigate inter-firm relations at any geographical scale of analysis. The Digital Layer is created from large-scale, structured web scraping of firm websites, their textual content and the hyperlinks among them. Using...

More than one third of the European Union's total budget is spent on socalled Cohesion Policy via the structural funds. Its main purpose is to promote the development of the EU and to support convergence between the levels of development of the various European regions. Investigating the impact...