“… See von Hippel [1988],Bower and Christensen [1996],Christensen et al [2001],Lanjouw and Schankerman [2001, 2004].3See Hellmann and Puri [2000],Brander et al [2002],Engel and Keilbach [2007],Shane and Cable [2002],Gans et al [2008],Keuschnigg and Nielsen [2007],Casamatta and Haritchabalet [2007a, 2007b],Cestone et al [2007],Cumming and Johan [2008], orMartimort et al [2010] for support of this hypothesis.4 For an analysis of contracting issues between informed innovators and developers exerting profit-increasing effort, see alsoMartimort et al [2010]. 5 SeeKaplan and Strömberg [2001],Casamatta [2003],Schmidt [2003],Inderst and Müller [2004],Keuschnigg and Nielsen [2004],Repullo and Suarez [2004],Hellmann [2006].6 We are grateful to the Editors for pointing this out.…”