@techreport{NBERw9750,
 title = "Does Misery Love Company? Evidence from pharmaceutical markets before and after the Orphan Drug Act",
 author = "Frank R. Lichtenberg and Joel Waldfogel",
 institution = "National Bureau of Economic Research",
 type = "Working Paper",
 series = "Working Paper Series",
 number = "9750",
 year = "2003",
 month = "June",
 URL = "http://www.nber.org/papers/w9750",
}