2Mansfield, Edwin, Schwartz, Mark, and Wcurger , Samuel. Imitation Costs and Patents : An Empirical Studay [ J ], The Economic Journal 1981, (91) :907 - 918.
3GM格罗斯曼 E 赫尔普曼.全球经济中的创新与增长[M].北京:中国人民大学出版社,2000..
4Lach , Saul, and Schankerman , Mark. Danamics of R&D and Investment in the Scientific Sector[ J ] , Journal of Political Economy,1989(97) :880 - 904,.
5Linsu, Kim, and Richard, R. Nelson. Technology Learning and Innovation : Experience of Newly Industrializing [ M ], Cambridger University Press, 2000.
6Landau, David. Government Expenditure and Economic Growth : A Cross - Country Studay[ J ]. Sourth Economic Journal 1983(49) :783 - 792.
7Griliches , Zvi . Research Expenditures Growth Accounting[ M ], In B . R Williams (ed), Science and Technology in Economic Growth.London : Macmillan , 1973.
