Politicians, the media, and the public express concern that immigrants depress wages by competing with native workers … countries have found no effect on wages, on average, and only modest effects on wage differentials between more and less … educated immigrant and native workers. Native workers' wages have been insulated by differences in skills, adjustments in local …

wages of less skilled natives and a small positive effecton the wages of high skilledworkers as new immigrants are less …

the selection patterns, we nonparametrically estimate the counterfactual wages that the return migrants would have … that the wages of return migrants are larger than those that the migrants would have obtained had they not migrated. …

We propose a simple test that uses information on workers' mobility, wages and firms' profits to identify the sign and … agents' payoffs are increasing in their own types, our test exploits within-firm variation on wages to rank workers by their …