In this article we carry out a descriptive analysis of lobbying expenditures on migration in the USA between 1998 and 2005. While political action committees (PAC) contributions and lobbying are in general positively correlated, our results suggest that this is not the case when it comes to...

The combination of increasing immigration pressures and restrictive policies imperfectly enforced by many destination countries has made illegal immigration widespread. This article provides an overview of the mechanisms behind the formation of migration policies and how they lead to or limit...

We study migration policy enforcement by an elected government. The policymaker faces uncertainty on the supply of migrants, but has more information than the public on its preferences and the extent and effectiveness of its enforcement activities. We show that a utilitarian government...

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...

Using novel information from the German Socio-Economic Panel for the period 1996-2011, we document that migrants with a German friend are more similar to natives than those without a local companion along several important dimensions, including engagement in social activities, concerns about the...