@techreport{NBERw13367,
 title = "The Long-Term Effects of Africa's Slave Trades",
 author = "Nathan Nunn",
 institution = "National Bureau of Economic Research",
 type = "Working Paper",
 series = "Working Paper Series",
 number = "13367",
 year = "2007",
 month = "September",
 URL = "http://www.nber.org/papers/w13367",
}