attracted to dense areas, which improve their learning from others. If the skills accumulated in cities are easily transferable … rather than specificity of skills. Small firms thrived, and therefore the transferability of skills increased. The model also …

departure of wages and employment of low-skilled workers between Miami and its control after 1979. The result is robust to …

of relative wages. However, it is hard to estimate because skill supply is endogenous. We tackle the task by using …

existing method may yield positive or negative externalities even if wages reflect marginal social products. We propose an …

effects on native unskilled wages, employment and occupational mobility. …

Romania relatively high rates of temporary migration might have positive long-run effects on average skills and wages … costs, we find evidence that the selection and sorting of migrants by skills is driven by different returns in countries of … destination. We also find that the return premium increases with migrants' skills and this drives the positive selection of …