@techreport{NBERw14077,
 title = "Made in America? The New World, the Old, and the Industrial Revolution",
 author = "Gregory Clark and Kevin H. O'Rourke and Alan M. Taylor",
 institution = "National Bureau of Economic Research",
 type = "Working Paper",
 series = "Working Paper Series",
 number = "14077",
 year = "2008",
 month = "June",
 URL = "http://www.nber.org/papers/w14077",
}