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...

Income levels are higher in cities. The evidence for the income gap between urban and rural areas is overwhelming, but the agglomeration effect is hard to identify. Recent advances make use of individual level data to separate out sorting and instrumentation to handle the endogeneity of...

In most industrialized countries, employment has grown predominately in jobs at the upper and lower tails of the wage distribution, while employment in the middle part of the distribution has stagnated or declined. This process of job polarization is well documented for a number of countries. We...

This paper considers the "share-altering" technical change hypothesis in a spatial general equilibrium model where individuals have different levels of skills. Building on a simple Cobb-Douglas production function, our model shows that the implementation of skill-biased technologies requires a...

It is generally accepted that migration will lead to an increase in income. However the question is how will income be distributed across individuals in society? If migrants have lower education levels, when compared to current urban workers, then the in ow of migrants will increase the skill...