@techreport{NBERw8319,
 title = "Did Legalized Abortion Lower Crime?",
 author = "Ted Joyce",
 institution = "National Bureau of Economic Research",
 type = "Working Paper",
 series = "Working Paper Series",
 number = "8319",
 year = "2001",
 month = "June",
 URL = "http://www.nber.org/papers/w8319",
}