Over 2008 to 2012, the U.S. Border Patrol enacted new sanctions on migrants apprehended attempting to enter the U.S. illegally. Using administrative records on apprehensions of Mexican nationals that include fingerprint-based IDs and other details, we detect if an apprehended migrant is subject...

Ten states, beginning with Texas and California in 2001, have passed laws permitting undocumented students to pay the in-state tuition rate - rather than the more expensive out-of-state tuition rate - at public universities and colleges. We exploit state-time variation in the passage of the laws...

"This paper revisits the magnet hypothesis and investigates the impact of the welfare generosity on the difference between skilled and unskilled migration rates. The main purpose of the paper is to assess the role of mobility restriction on shaping the effect of the welfare state genrosity. In a...