This article presents the methods and preliminary findings from IMPALA, a database that systematically measures the character and stringency of immigration policies. Based on a selection of data for six pilot countries between 1990 and 2008, we document the variation of immigration policies...

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 analyze the effects of foreign nurse immigration on the occupational choice of natives and the quality of native entrants into the nursing sector. Using an empirical strategy that exploits large geographical differences in the distribution of foreign nurses across US states, we find that, in...