@techreport{NBERw12355,
 title = "Superstar Cities",
 author = "Joseph Gyourko and Christopher Mayer and Todd Sinai",
 institution = "National Bureau of Economic Research",
 type = "Working Paper",
 series = "Working Paper Series",
 number = "12355",
 year = "2006",
 month = "July",
 URL = "http://www.nber.org/papers/w12355",
}