Illegal immigration and border enforcement in the United States have increased concomitantly for over thirty years. One interpretation is that U.S. border policies have been ineffective. We offer an alternative view, extending the current immigration-enforcement literature by incorporating both...

Remarks for the Jose Cuervo Tequila Talk, Institute of the Americas, La Jolla, California, April 5, 2006 ; "For Mexico and the U.S. states along its border, the stakes are high. Geographic proximity to the United States and ease of transport are key aspects of Mexico's comparative advantage...

Economic Research Working Paper 9904