We analyse the impact of different immigration policies on human capital investment in a search-theoretic model. This class of model features unemployment and underinvestment in human capital. We show that an immigration policy aiming at well educated immigrants leads to rising educational...

Using a sample of high-school students from North Rhine-Westphalia, I find evidence that noncognitive skills significantly increase performance in school and success in professional life as well as happiness at age forty-three. Since test scores for cognitive skills are available for the...

In a two-period model with agent heterogeneity we analyze a pension reform toward a stronger link between contributions and benefits (as recently observed in several countries) in a pension system with a Bismarckian and a Beveridgian component. We show that such a policy change reduces the...

This paper investigates the evolution of wages and the recent tendency to rising wage inequality in Germany, based on the German Socio-Economic Panel (GSOEP) for 1984 to 2004. Between 1984 and 1994 the wage distribution was fairly stable. Wage inequality started to increase around 1994 in...