7.Audretsch, D., & Feldman, M., R&D Spillovers and the Geography of Innovation and Production.American Economic Review, Vol.86, No.4, 1996, pp.253-273.
[8]
8.Brandt, L., Van Biesebroeck, J., & Zhang, Y., Creative Accounting or Creative Destruction? Firm-level Productivity Growth in Chinese Manufacturing. Journal of Development Economic, Vol.97, No.2, 2011, pp.339-351.
[9]
9.Ciccone, A., & Hall, R.E., Productivity and the Density of Economic Activity[R].National Bureau of Economic Research, 1996.
[10]
10.Cockburn, I.M., & Henderson, R., Absorptive Capacity, Coauthoring Behavior and the Organization of Research in Drug Discovery.Journal of Industrial Economics, Vol.66, No.2, 1998, pp.157-182.
[11]
11.Feldman, M.P., & Audretsch, D.B., Innovation in Cities: Science-based Diversity, Specialization and Localized Competition.European Economic Review, Vol.43, No.2, 1999, pp.409-429.
[12]
12.Glaeser, E., Kallal H., Scheinkman, J., & Shleife, A., Growth of Cities.Journal of Political Economy, Vol.100, 1992, pp.1126-1152.
[13]
13.Hausmann, R., Hwang J., & Rodrik, D., What you Export Matters.Journal of Economic Growth, Vol.12, No.1, 2007, pp.1-25.
[14]
14.Jacobs, J., The Economy of Cities.The Economy of Cities, 1969.
[15]
15.Jaffe, A.B., Demand and Supply Influences in R&D Intensity and Productivity Growth.Review of Economics and Statistics, Vol.70, No.3, 1988, pp.431-437.
[16]
16.Jaffe,A.B., Real Effects of Academic Research.American Economic Review, Vol.79, No.5, 1989, pp.957-970.
[17]
17.Marshall, A., Principles of Economics, London: Macmillan, 1890.
[18]
18.Melitz, J., The Impact of Trade on Intra-Industry Reallocations and Aggregate Industry Productivity.Econometrica, Vol.71, No.6, 2003, pp.1695-1725.
[19]
19.Myers, S, & Marquis, D.G., Successful Industrial Innovations: A Study of Factors Underlying Innovation in Selected Firms, Washington, DC: National Science Foundation, 1969.
[20]
20.Nunn, N., Relationship-specificity, Incomplete Contracts, and the Pattern of Trade.The Quarterly Journal of Economics, Vol.122, No.2, 2007, pp.569-600.
[21]
21.Paci, R., & Usai, S., Externalities, Knowledge Spillovers and the Spatial Distribution of Innovation.GeoJournal, Vol.49, No.4, 1999, pp.381-390.
[22]
22.Pakes, A., & Griliches, Z., Patents and R and D at the Firm Level: A First Report.Economics Letter, Vol.5, 1980, pp.377-381.
[23]
23.Romer, P.M., Increasing Returns and Long-run Growth.Journal of Political Economy, Vol.94, No.5, 1986, pp.1002-1037.
[24]
24.Shefer, D., & Frenkel, A., Local Milieu and Innovations: Some Empirical Results.The Annals of Regional Science, Vol.32, No.1, 1998, pp.185-200.
[25]
25.Van Oort, F., Innovation and Agglomeration Economies in the Netherlands.Tijdschrift voor Economische en Sociale Geografie, Vol.93, No.3, 2002, pp.344-360.
[26]
26.Von Hipple, E., Sticky Information and the Locus of Problem Solving: Implications for Innovation.Management Science, Vol.40, 1994, pp.429-439.
