[1] ROBINSON J. Global and world cities: A view from off the map[D]. International Journal of Urban and Regional Research, 26, 531-554(2002).

[2] ROBINSON J. Urban geography: World cities, or a world of cities[D]. Progress in Human Geography, 29, 757-765(2005).

[3] FRIEDMANN J.. Where we stand: A decade of world city research. In: KNOX P L, TAYLOR P J. World Cities in a World System. Cambridge: Cambridge University Press, 21-47(1995).

[4] MEIJERS E J, HOOGERBRUGGE M M, BURGER M J. Borrowing size in networks of cities: City size, network connectivity and metropolitan functions in Europe[D]. Papers in Regional Science, 95, 181-198(2016).

[5] HOOGERBRUGGE M M, MEIJERS E J, BURGER M J et al. Borrowed size, agglomeration shadows and cultural amenities in Northwest Europe[D]. European Planning Studies, 23, 1090-1109(2015).

[7] CAPELLO R, CARAGLIU A, CAMAGNI R. Static vs. dynamic agglomeration economies: Spatial context and structural evolution behind urban growth[D]. Papers in Regional Science, 95, 133-158(2016).

[9] FUJITA M, VENABLES A J., KRUGMAN P R. The Spatial Economy: Cities, Regions, and International Trade(2001).

[10] KRUGMAN P R.. Geography and Trade.(1993).

[11] SASSEN S.. The Global City: New York, London, Tokyo(2013).

[12] DERUDDER B, TAYLOR P J. World City Network: A Global Urban Analysis(2nd)[D]. London and New York: Routledge(2015).

[26] YE C, ZHU J, LI S et al. Assessment and analysis of regional economic collaborative development within an urban agglomeration: Yangtze River Delta as a case study[D]. Habitat International, 83, 20-29(2018).

[32] JACOBS J. The Nature of Economies[D]. Toronto: Random House of Canada(2010).

[33] BALASSA B. Trade liberalisation and "revealed" comparative advantage[D]. The Manchester School, 33, 99-123(1965).

[35] CAPELLO R, CAMAGNI R. Regional innovation patterns and the EU regional policy reform: Toward smart innovation policies[D]. Growth and Change, 44, 355-389(2013).