2Beyers W B. Producer services[J]. Progress in Human Geogra- phy,1993, 17(2): 221-231.
3Gillespie A E, Green A E. T he changing geography of producer services employment in Britain[J]. Regional Studies,1987,21(5): 397-411.
4Coffey W J, Mcrae J J. Service Industries in regional develop- ment[M]. Montreal: Institute for Research on Public Policy, 1990.
5Illeris S, Sjoholt P. The Nordic countries: High quality services in a low density environment[J]. Progress in Planning, 1995, 43 (3):205-221.
6Daniels P W. The locational geography of advanced producer services firm in the United Kingdom[J].Progress in Planning, 1995,(45):123-138.
7Klesson,Johan. Agglomeration dynamics of business services[J]. Annals of Regional Science ,2011,(47):373-391.
8Airoldi A, Janetti G B, Gambardella A, et al. The impact of ur- ban structure on the location of producer services[J]. The Ser- vice Industries Journal, 1997, 17(1): 91-114.
9Taylor P J, Beaverstock, J V, Cook G, et al. Financial service clustering and its significance for London[M]. London:Corpora- tion of London, 2003.
