"This paper analyses the (self-)selection of migrants between countries which have substantial differences in the … less than proportional with the income level. As a consequence, migrants can be favourably self-selected although the … that migrants tend to be positively (self-)selected although the inequality in earnings is larger in the destination …

specialized occupations. Compared to non-migrants, immigrants receive more than twice the return for using English. Returns depend … crucially on speaking German well, thus excluding many first generation migrants and are found to occur particularly in service … occupations that involve international factor flows. In such occupations it is likely that migrants can apply complementary skills …