5Romer, Paul. Endogenous Technological Change [J].Journal of Political Economy, 1990(98) :71-102.
6Alejandro Ciruelos and Miao Wang. International Technology Diffusion:Effect of Trade and FDl[ J ].Atlantic Economic Journal, 2005 ( 33 ) : 437-449.
7Coelli, T.J., Prasada Rao, D.S., and Battese, G.E. An Intro- duction to Efftciency and Productivity Analysis [M]. Boston: Kluwer Academic Publishers, 1998.
8Andreas Savvides & Marios Zachariadis.lnternational Technology Diffusion and the Growth of TFP in the Manufacturing Sector of Developing Economies. [ J ] .Review of Development Economics, 2005,9 ( 4 ) : 482-501.
9Brouno van Pottelsberghe, Pottefir, de la and Lichtenberg, Frank. Does foreign direct investment transfer technology across borders? [ J ].The Review of Economics and Statistics, 2001 (83) : 490-497.
10M. Tiefelsdorf,D. A. Griffith,and B. Boots. A variance-sta- bilizing coding scheme for spatial link matrices [ J ].Environment and PlanningA, 1999(31) : 165-180.