For spatial data with a sufficiently long time dimension, the concept of global cointegration has been recently included in the econometrics research agenda. Global cointegration arises when non-stationary time series are cointegrated both within and between spatial units. In this paper, we...

We employ the German social security register data to analyze the development of wage inequality among foreigners in Germany. The data show a sharp increase of wage inequality which exceeds the size observed for natives. The decomposition methods proposed by DiNardo et al. (1996) are employed to...