@techreport{NBERw10966,
 title = "Institutions and Technological Innovation During the Early Economic Growth: Evidence from the Great Inventors of the United States, 1790-1930",
 author = "B. Zorina Khan and Kenneth L. Sokoloff",
 institution = "National Bureau of Economic Research",
 type = "Working Paper",
 series = "Working Paper Series",
 number = "10966",
 year = "2004",
 month = "December",
 URL = "http://www.nber.org/papers/w10966",
}