In dieser Studie analysieren wir die Interaktionen zwischen Multiproduktwettbewerb und drei Aspekten von Innovation: Research Joint Ventures mit asymmetrischen Unternehmen, Neue Produkteinführung, und Innovation mit Multiproduktunternehmen. Wir untersuchen Mechanismen und Effekte, die einen...

This dissertation consists of two essays. In the first essay I show that there are substantial differences in unemployment durations and reemployment outcomes for workers coming from different occupations. I argue that this variation can be explained by differences in occupational employment...

This dissertation picks the influence of proximity on the innovative behavior of firms out as a central theme. We concentrate on geographical and technological proximity and investigate their impact on learning through knowledge spillovers and the technological outcome in the form of product and...

This thesis focuses on returnee entrepreneurs in a large industrial cluster, ZhongguancunScience Park in Beijing, based on a combined quantitative and qualitative method. Usinga hand-collected dataset of returnee entrepreneur-owned 353 SMEs (small and mediumenterprises) and local...

This volume was prepared by Sebastian Benz while he was working at the Ifo Institute. It was completed in December 2013 and accepted as a doctoral thesis by the Department of Economics at the University of Munich. It includes five self-contained chapters. All chapters discuss different...

This thesis consists of four essays that contribute to the empirical literature on the determinants of recent changes in the employment and wage structure in Germany. The first essay analyzes recent employment growth at the lower tail of the wage distribution and its relation to technological...