This volume was prepared by Susanne Link during her stay at the Ludwig-Maximilians-University of Munich and the Department of Human Capital and Innovation of the Ifo Institute of Economic Research. It was accepted as a doctoral thesis by the Economics Departure of the University of Munich in...

This volume was prepared by Marc Piopiunik while he has been working at the Ifo Institute. It was completed in June 2011 and accepted as a doctoral thesis by the Department of Economics at the University of Munich. It includes four self-contained empirical studies. All studies aim at...