@techreport{ w12518,
 title = "Immigration and African-American Employment Opportunities: The Response of Wages, Employment, and Incarceration to Labor Supply Shocks",
 author = "George J. Borjas and Jeffrey Grogger and Gordon H. Hanson",
 institution = "National Bureau of Economic Research",
 type = "Working Paper",
 series = "Working Paper Series",
 number = "12518",
 year = "2006",
 month = "September",
 URL = "http://www.nber.org/papers/w12518",
}