1. Fujita, Masahisa, 1988. "A monopolistic competition model of spatial agglomeration : Differentiated product approach," Regional Science and Urban Economics, Elsevier, vol. 18(1), pages 87-124, February. [Downloadable!] (restricted)
2. Ethier, Wilfred J, 1982. "National and International Returns to Scale in the Modern Theory of International Trade," American Economic Review, American Economic Association, vol. 72(3), pages 389-405, June. [Downloadable!] (restricted)
3. Edward L. Glaeser & Jose A. Scheinkman & Andrei Shleifer, 1995. "Economic Growth in a Cross-Section of Cities," NBER Working Papers 5013, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
   Other versions:
   • Glaeser, E.L. & Scheinkman, J.A. & Shleifer, A., 1995. "Economic Growth in a Cross-Section of Cities," Papers e-95-4, Stanford - Hoover Institution.
   • Glaeser, E.L. & Scheinkman, J.A., 1993. "Economic Growth in a Cross-Section of Cities," Harvard Institute of Economic Research Working Papers 1645, Harvard - Institute of Economic Research.
   • Glaeser, Edward L. & Scheinkman, JoseA. & Shleifer, Andrei, 1995. "Economic growth in a cross-section of cities," Journal of Monetary Economics, Elsevier, vol. 36(1), pages 117-143, August. [Downloadable!] (restricted)
4. Helsley, Robert W. & Strange, William C., 1990. "Matching and agglomeration economies in a system of cities," Regional Science and Urban Economics, Elsevier, vol. 20(2), pages 189-212, September. [Downloadable!] (restricted)
5. Abdel-Rahman, Hesham M., 1996. "When do cities specialize in production?," Regional Science and Urban Economics, Elsevier, vol. 26(1), pages 1-22, February. [Downloadable!] (restricted)
6. Dixit, Avinash K & Stiglitz, Joseph E, 1977. "Monopolistic Competition and Optimum Product Diversity," American Economic Review, American Economic Association, vol. 67(3), pages 297-308, June. [Downloadable!] (restricted)
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   • Dixit, Avinash K & Stiglitz, Joseph E, 1975. "Monopolistic Competition and Optimum Product Diversity," The Warwick Economics Research Paper Series (TWERPS) 64, University of Warwick, Department of Economics. [Downloadable!]
7. Krugman, Paul, 1991. "Increasing Returns and Economic Geography," Journal of Political Economy, University of Chicago Press, vol. 99(3), pages 483-99, June. [Downloadable!] (restricted)
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   • Paul Krugman, 1990. "Increasing Returns and Economic Geography," NBER Working Papers 3275, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
8. Abdel-Rahman Hesham M. & Fujita Masahisa, 1993. "Specialization and Diversification in a System of Cities," Journal of Urban Economics, Elsevier, vol. 33(2), pages 189-222, March. [Downloadable!] (restricted)
9. Anas, Alex, 1992. "On the birth and growth of cities: : Laissez-faire and planning compared," Regional Science and Urban Economics, Elsevier, vol. 22(2), pages 243-258, June. [Downloadable!] (restricted)

Cited by:
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1. Abdel-Rahman, Hesham M. & Anas, Alex, 2003. "Theories of system of cities," Working Papers 2003-08, University of New Orleans, Department of Economics and Finance. [Downloadable!]
   Other versions:
   • Abdel-Rahman, Hesham M. & Anas, Alex, 2004. "Theories of systems of cities," Handbook of Regional and Urban Economics, in: J. V. Henderson & J. F. Thisse (ed.), Handbook of Regional and Urban Economics, edition 1, volume 4, chapter 52, pages 2293-2339 Elsevier. [Downloadable!] (restricted)
2. Massimo Del Gatto, 2004. "Agglomeration, Integration, and Territorial Authority Scale in a System of Trading Cities. Centralisation versus Devolution," Working Papers 2004.93, Fondazione Eni Enrico Mattei. [Downloadable!]
3. Alex Anas, 2003. "Vanishing Cities: What Does the New Economic Geography Imply About the Efficiency of Urbanization?," Urban/Regional 0302005, EconWPA. [Downloadable!]
   Other versions:
   • Alex Anas, 2004. "Vanishing cities: what does the new economic geography imply about the efficiency of urbanization?," Journal of Economic Geography, Oxford University Press, vol. 4(2), pages 181-199, April.
4. Berliant, Marcus & Wang, Ping, 2007. "Urban growth and subcenter formation: A trolley ride from the Staples Center to Disneyland and the Rose Bowl," MPRA Paper 2770, University Library of Munich, Germany. [Downloadable!]
   Other versions:
   • Marcus Berliant & Ping Wang, 2005. "Urban Growth and Subcenter Formation: A Trolley Ride from the Staples Center to Disneyland and the Rose Bowl," Urban/Regional 0511012, EconWPA. [Downloadable!]