Online Consumer-to-Consumer Communication Networks are characterized by informational and social benefits as well as time and effort costs for participants. Therefore, this dissertation takes an economic perspective on the network formation process as a determinant of value for consumers and...

This dissertation thesis consists of three independent research papers and is devoted to the topic of worker turnover and incentive contracts in a labour market characterized by search frictions and matching. There exists a large body of literature dating back to the seminal studies by Diamond,...

This work consists of two parts. In the first part I analyze the influence of personal mobility on the citizens' willingness to run for a political office in their municipality and on the resulting local policy outcome. The model portrays heterogeneous policy preferences that are coupled with...

This thesis is a collection of four stand-alone essays on international competition for human capital, together with a general introduction and some concluding remarks. The first essay deals with decentralized public education and human capital mobility. The international mobility of...

Kultur und interkulturelle Kompetenz, Deutsche und Franzosen, Klischees, Hintergründe kultureller Unterschiede, Erscheinungsformen im Leben in der Gesellschaft, Erscheinungsformen im Geschäftsleben