@techreport{NBERw13972,
 title = "Minority Self-Employment in the United States and the Impact of Affirmative Action Programs",
 author = "David G. Blanchflower",
 institution = "National Bureau of Economic Research",
 type = "Working Paper",
 series = "Working Paper Series",
 number = "13972",
 year = "2008",
 month = "May",
 URL = "http://www.nber.org/papers/w13972",
}