Zusammenfassung: This dissertation includes four studies in the field of empirical labour economics with a focus on risk in labour markets. In Chapter 1 the effect of an employment subsidy programme on early apprenticeship dropout is evaluated. The programme can be considered a preventive...

An Englishman once watched his first American football game. He looked intently as the team gathered into a huddle after each play. His American host asked him what he thought of the proceedings. "Not a bad sport", remarked the visitor, "but they do seem to engage in an excessive number of...

This study was prepared by Nina Czernich while she was working with the Ifo Institute for Economic Research.It was completed in December 2010 and accepted as a doctoral thesis by the Department of Economics at the University of Munich. The study addresses the question whether the emergence of...