5Jacobs Jane. The Economy of Cities[M]. New York: Random House, 1969.51-60.
6Glaeser Edward, Heidi Kallal, Jose Scheinkman and Andrei Shleifer Growth in Cities [J]. Journal of Political Economy, 1992,100 (6) 1126-1152.
7Harrison Bennett, Maryellen Kelley and Jon Gant. Innovative Finn Behavior and Local Milieu: Exploring the Intersection of Agglomeration, Firm Effects, and Technological Change [J].Economic Geography,1996,72 (3): 233-258.
8Feldman Maryann P, David B. Audretsch. Innovation in Cities: Science-Based Diversity, Specialization and Localized Competition [J]. European Economic Review, 1999,(43):402-429.
9Henderson Vernon,Ari Kuncoro and Matt Turner.Industrial Develop- ment in Cities [J]. Journal of Political Economy,1995,103 (5): 1067-90.
10Bostic Raphael W, Joshua S Gans, Scott Sterm. Urban Productivity and Factor Growth in the Late 19th Century[J]. Journal of Urban Economics, 1997,(41 ):38-55.
