This dissertation is a compilation of papers on entrepreneurship which investigate related research questions. The unifying element of the different parts is the focus on two important concepts in entrepreneurship research, namely human capital and social capital. Briefly, the four main chapters...

In this dissertation the influence of social networking sites (= SNSs) on the daily lives of their users was analyzed. In the theoretical part, the concept of online social capital was developed as a theoretical framework through which to understand and analyze the use of these websites. On the...

During the last several decades developed economies underwent salient employment shifts from manufacturing toward service production. This dissertation investigates the meaning of these changes for the occupational and skill structure of the German economy. It elaborates on the skills and...

Das Ziel der vorliegenden Dissertation ist es, ein besseres Verständnis von systemischen Risiken auf Interbankenmärkten zu entwickeln. Die Bedeutung systemischer Risiken für die Stabilität des gesamten Finanzsystems ist durch die internationale Finanzkrise der Jahre 2007/2008 deutlich...