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...

In this survey, we compare the history and status of immigration of a traditional immigration county (the US) with the experiences of a new immigration country (Germany). This reveals differences in the immigration policy as in the immigration population in the respective countries. We resume...