@techreport{NBERw14135,
 title = "Models of Idea Flows",
 author = "Fernando E. Alvarez and Francisco J. Buera and Robert E. Lucas, Jr.",
 institution = "National Bureau of Economic Research",
 type = "Working Paper",
 series = "Working Paper Series",
 number = "14135",
 year = "2008",
 month = "June",
 URL = "http://www.nber.org/papers/w14135",
 abstract = {This paper introduces several variations of the Eaton and Kortum (1999) model of technological change and characterizes their long run implications. Both exogenous and endogenous growth examples are studied.},
}