@techreport{NBERw13056, title = "The Incentives to Start New Companies: Evidence from Venture Capital", author = "Robert E. Hall and Susan E. Woodward", institution = "National Bureau of Economic Research", type = "Working Paper", series = "Working Paper Series", number = "13056", year = "2007", month = "April", URL = "http://www.nber.org/papers/w13056", }