Many U.S. businessmen are vocally in favor of an increase in the number of H-1B visas. Is there systematic evidence that this would positively affect firms' productivity, sales, employment or profits? To address these questions we assemble a unique dataset that matches all labor condition...

This paper reviews the recent literature on the effects of immigration on the public education of the host country, emphasizing the political economy implications. In particular, we are interested on what happens to enrollment in public schools and the quality of education in these schools. Our...

We argue that labor mobility does not lead to a ''race to the bottom,'' where countries drastically cut redistributive transfers in order to attract skilled workers. The basis of our argument is that these cuts are not credible policies. We propose a two country model where competition for...

This paper investigates the effects of Spain's large recentimmigration wave on the labor supply of highly skilled native women. Wehypothesize that female immigration led to an increase in the supply ofaffordable household services, such as housekeeping and child or elderlycare. As a result, i)...

Wage gaps between documented (including natives) and undocumented workers may reflect employer exploitation, endogenous occupational sorting and productivity losses associated with lack of legal status. Identification of the undocumented productivity penalty is crucial to estimate the aggregate...

We investigate whether competitive selection processes generate gender inequality in the context of a prestigious graduate fellowship program. All applications are scored remotely by expert reviewers and the highest ranked are invited to an in-person interview. The data show a very large gender...

In recent years, Spain has received unprecedented immigration flows. Between 2001 and 2006 the fraction of the population born abroad more than doubled, increasing from 4.8% to 10.8%. For Spanish provinces with above-median inflows (relative to population), immigration increased the high school...

This paper evaluates the global welfare impact of observed levels of migration using a quantitative multi-sector model of the world economy calibrated to aggregate and firm-level data. Our framework features cross-country labor productivity differences, international trade, remittances, and a...