This paper analyses the wage premia associated with workers' occupational use of foreign languages in Germany. After eliminating time-invariant unobserved heterogeneity and other confounding factors, sizable returns of about 10 percent to applying fluent English skills are found. Returns to...

This study finds evidence of wage divergence between immigrants and natives in Germany using a country-wide household panel from 1984 to 2014. We incorporate the possibility of wage divergence into a two-period model of economic assimilation by modeling the differences in the efficiency of human...

"Guest workers" earn higher wages overseas on temporary low-skill employment visas. This wage effect can quantify global inefficiencies in the pure spatial allocation of labor between poorer and richer countries. But rigorous estimates are rare, complicated by migrant self-selection. This paper...

In this paper, we analyse the implications of labour market integration in a two-region model with local human capital externalities and congestion effects. We show that integration can be a double-edged sword. Integration and the ensuing agglomeration of skilled labour can reduce "real" income...