7Potterie, Dominique Guellec, Bruno van Pottelsberghe de la. The Impact of Public R&D Expenditure on Business R&D [J]. OECD Science: Technology and Industry Working Papers, 2000.
8Morales, MaraFuensanta. Research Policy and Endogenous G-ro wth [J]. Spanish Economic Review, 2001 (3): 179-209.
9Acemoglu Daron, Linn Joshua, AcemogluDaron, Linn Joshua. MarketSize in Innovation: Theoy and Evidence from the Phar maceutical Industry [J]. Quarterly Journal of Economics, 2004,119 (3): 1049-1090.