@techreport{NBERw13033, title = "Intellectual Property Rights, Imitation, and Foreign Direct Investment: Theory and Evidence", author = "Lee Branstetter and Raymond Fisman and C. Fritz Foley and Kamal Saggi", institution = "National Bureau of Economic Research", type = "Working Paper", series = "Working Paper Series", number = "13033", year = "2007", month = "April", URL = "http://www.nber.org/papers/w13033", }