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...

Using data for the 1990's, this paper examines the role of sheepskin effects in the returns to education for Japan. Our estimations indicate that sheepskin effects explain about 50% of the total returns to schooling. We further find that sheepskin effects are only important for workers in small...

In this paper, the role of the computer at the workplace will be examined in determining the wage structure in Germany. Following Krueger (1993) and using the German Socio- Economic Panel (GSOEP), cross-sectional wage regression results from 1997 and panel results from 1984-1997 are presented....