This dissertation is composed of three self-contained essays on strategic interactions under incomplete contracting. Chapter 1 considers the evolution of reciprocal preferences in a setting where individuals live in separate groups. Chapter 2 analyzes the costs and benefits of a separation of...

The thesis contains three independent papers. The first examines why women in Ireland had high mortality rates relative to men at the end of the 19th century. The second searches for the determinants of German east-west migration of labour force. The third finally tests empirically the theory of...

The German apprenticeship system has often been considered a role model for vocational education. But recent shortages in apprenticeship positions have led to a renewed debate about appropriate training policy. At present, there are renewed calls to introduce a training levy scheme, which would...

In this study we analyze how markets work in the Information Society. In particular we concentrate on three important markets: the software market, the broadcasting market and "technology markets" where intellectual property rights can be traded. All these markets are characterized by modes of...