3A Kaname. The Trade Trend of Woolen Products in Our Country [ J ] . Review of Business and Economy, 1935,13(2) :129 -212.
4Melitz, Marc J. The Impact of Trade on Intra - Industry Re- allocation and Aggregate Industry Productivity [ J]. Econo- metrica,2003,71 (6) : 1695 - 1725.
5Helpman, Elhanan, Marc J Melitz, Stephen Ross Yeaple. Export Versus FDI with Heterogeneous Firms [ J ]. American Economic Review, 2004,94 ( 1 ) : 300 - 316.
6Robert M Solow. Technical Change and the Aggregate Pro- duction Function [ J ]. The Review of Economics and Statis- tics, 1957,39 ( 3 ) : 312 - 320.
7Griliches Z, Mairesse J. R&D and Productivity Growth: Comparing Japanese and US Manufacturing Firms [ M]. Chicago : University of Chicago Press, 1990. 317 - 340.
