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   Oct 14 2010 Pavel A. Yakovlev and Margaret Inden   Mind the Weather: A Panel Data Analysis of Time-Invariant Factors and Traffic Fatalities   Abstract  Contact Information  Citation  Full Text  -  Note