@techreport{NBERr1858,
 title = "Industrial Research during the 1980s: Did the Rate of Return Fall?",
 author = "Bronwyn H. Hall",
 institution = "National Bureau of Economic Research",
 type = "Working Paper",
 series = "Reprint Series",
 number = "1858",
 year = "1994",
 month = "March",
 URL = "http://www.nber.org/papers/r1858",
 abstract = {},
}