Notes, Comments and Preliminary results Mar 17 2016 Michael Berlemann and Daniela Wenzel   Long-term Growth Effects of Natural Disasters - Empirical Evidence for Droughts   Abstract  Contact Information  Citation  Full Text  -  Note   Oct 16 2011 Michael Berlemann and Andreas Matthes   Fasten seat belts: Do car safety systems cause positive externalities?   Abstract  Contact Information  Citation  Full Text  -  Note