"German and European immigration policies have only recently begun to cope with the inevitable: growing labor demand in the face of high unemployment and a shrinking labor force due to demographic change. Despite the implementation of Germany's first immigration act and several European...

This paper presents a methodology to identify net demand shocks as well as wage rigidities in heterogeneous labor markets on the basis of nonparametric regression. We show how this approach can be used to make suggestions for immigration policy in economies with labor market rigidities. In an...