The level of violence in the National Hockey League (NHL) reached its highest point in 1987 and has reduced somewhat since then, although to levels much larger than before the first team expansions in 1967. Using publicly available information from several databases 1996-2007, the incentives for...

The German secondary school stream-system has three levels: minimum (Hauptschule), general (Realschule), and university-entry (Gymnasium). Using the German Socio-Economic Panel (GSOEP), we examine determinants of school attainment of German and foreign pupils in West Germany 1984-1993 using an...