This paper examines ethnicity among highly skilled immigrants to the United States. The paper focuses on five classic components of ethnicity -country of birth, race, skin color, language, and religion - among persons admitted to legal permanent residence in the United States in 2003 in the...

This paper develops a framework for estimating previous illegal experience among annual cohorts of new legal immigrants to the United States - using public-use administrative microdata alone, survey data alone, and the two jointly - and provides estimates for the FY 1996 cohort of new...

This paper estimates the causal effect of the prospect of legal status on the employment outcomes of undocumented immigrants. Our identification strategy exploits a natural experiment provided by the 2002 amnesty program in Italy that introduced an exogenous discontinuity in eligibility based on...

This paper estimates the causal effect of the prospect of legal status on the employment outcomes of undocumented immigrants. Our identification strategy exploits a natural experiment provided by the 2002 amnesty program in Italy that introduced an exogenous discontinuity in eligibility based on...

This paper studies why illegal immigration is widespread. We develop a political agency model in which a politician decides on an immigration target and its enforcement, facing uncertainty on the supply of migrants. Illegal immigration can arise for two reasons: the policy maker may be unable to...

Countries with strict immigration policies often resort to deportation measures to reduce their stocks of illegal immigrants. Many of their undocumented foreign workers, however, are not deported but rather choose to return home voluntarily. This paper studies the optimizing behavior of...

We develop a general model of legal and illegal immigration to understand the basic tradeoffs faced by a government in the decision to implement an immigration amnesty in the presence of a selective immigration policy. We show that two channels play an important role: an amnesty is more likely...

This paper is inspired by a puzzling empirical fact that despite the importance of controlling migration for their future, the host countries allocate very limited amounts of resources to the struggle against illegal immigration. The present model analyzes this issue in the context of low...

This paper examines the relationship between trade liberalisation and migration in the case of Mexico. The increasing bilateral trade between Mexico and the United States after signing the North American Free Trade Agreement (NAFTA) was supposed to stem the illegal Mexican migration flow by...

We investigate the effects of restrictive asylum policies on the number and group composition of asylum seekers. We model the choices of refugees and traffickers about whether to migrate and to apply for asylum. Counter-intuitively, restrictive asylum policies do not lead to a reduction in the...