Key points are not available for this paper at this time.
Illegal Immigration, Border Enforcement, and Relative Wages: Evidence from Apprehensions at the U.S.-Mexico Border by Gordon H. Hanson and Antonio Spilimbergo. Published in volume 89, issue 5, pages 1337-1357 of American Economic Review, December 1999
Hanson et al. (Wed,) studied this question.