2Romer P. Endogenous technological change[J]. Journal of Political Economy, 1990,98 ( 1 ) :71 - 102.
3Grossman G M, Helpman E. Innovation and growth in the global economy [ M ]. Cambridge, MIT Press, 1991.
4Aghion P, Howitt P. A model of growth through creative destruction[ J]. Econometrica, 1992, 60:321 - 351.
5Cohen W M, A Levinthal D. Innovation and learning: the two faces of R&D [ J ]. Economic Journal, 1989,99 (397) :569 -596.
6Aubert J. Promoting innovation in developing countries:a conceptual frame work[ R]. World Bank Policy Research Working Paper 3554. World Bank, Washington DC, 2005.
7Collier P. The role of the state in economic development: cross - regional experiences [ J ]. Journal of the African Economies , 1998,7 (suppl_2) : 38 - 76.
8Stiglitz Aubert J E. Markets, market failures, and development[ J ]. American Economic Review, 1989,79 ( 2 ) : 197 - 203.
9Leger A. Intellectual property rights and innovation around the world: evidence from the data[ R]. DIW Berlin Working Paper,June ,2007. No ,696.
10Helpman E. Innovation, imitation, and intellectual property rights[ J]. Econometrica, 1993,61 : 1247 - 1280.