Destination countries have been resorting to selective immigration policies to improve migrants' quality. We propose a model that analyzes the effects of selective immigration policies on migrants' quality, measured by their wages at destination. Screening potential migrants on the basis of...

…

We develop a model in which blacks' ethnic preferences can lead to adverse labor-market outcomes. Because of these preferences, we show that multiple equilibria emerge: they correspond to different urban structures observed in the US. By incorporating in this spatial structure a simple search...