Estimating the causal effect of immigration on the labor market outcomes of native workers has been a major concern in the literature. Because immigrants decide whether and where to migrate, immigrant populations generally consist of individuals with characteristics that differ from those of a...

Flucht und Migration sind alte und weltweite Phänomene. Letztes Jahr hat jedoch die Zahl der Flüchtlinge nach Europa und insbesondere Deutschland stark zugenommen, während die deutsche Bundeskanzlerin die bis dahin geltenden europäischen und deutschen Regeln außer Kraft setzte. Dies stellt...

Large international differences in the price of labor can be sustained by differences between workers, or by natural and policy barriers to worker mobility. We use migrant selection theory and evidence to place lower bounds on the ad valorem equivalent of labor mobility barriers to the United...