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The Formation of Urban Centers under R\&D and Spillover Externalities

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  • Kranich, Jan

Abstract

This paper proposes a model of urban agglomeration in conjunction with imperfect competition and endogenous product R\&D of firms. The quality of differentiated manufacturing goods is a result of R\&D services provided by research firms. Sectoral interactions are subject to spatially dependent transaction costs and (knowledge) spillover externalities. The paper analyzes the existence of fundamental city patterns with respect to R\&D intensity and the degree of localization in knowledge production. The model features three equilibrium formations: a monocentric, a mixed, and a perfectly integrated pattern, whereas the R\&D intensity always increases towards the city center. However, product quality and the corresponding R\&D expenditures of firms are not necessarily increasing with the city size; a result, which also renders decisive implications of local innovation policy.

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File URL: http://diskussionspapiere.wiwi.uni-hannover.de/pdf_bib/dp-430.pdf
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Bibliographic Info

Paper provided by Leibniz Universität Hannover, Wirtschaftswissenschaftliche Fakultät in its series Hannover Economic Papers (HEP) with number dp-430.

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Length: 37 pages
Date of creation: Sep 2009
Date of revision:
Handle: RePEc:han:dpaper:dp-430

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Keywords: Bid-rent; Land Use; R\&D; Externalities;

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References

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  1. Marcus Berliant, 2003. "Knowledge Exchange, Matching, and Agglomeration," Theory workshop papers 505798000000000026, UCLA Department of Economics.
  2. Simona Iammarino & Philip McCann, 2006. "The Structure and Evolution of Industrial Clusters: Transactions, Technology and Knowledge Spillovers," SPRU Working Paper Series 138, SPRU - Science and Technology Policy Research, University of Sussex.
  3. Jan Kranich, 2007. "Too much R&D? - Vertical differentiation in a model of monopolistic competition," Working Paper Series in Economics 59, University of Lüneburg, Institute of Economics.
  4. Carlino, Gerald A. & Chatterjee, Satyajit & Hunt, Robert M., 2007. "Urban density and the rate of invention," Journal of Urban Economics, Elsevier, vol. 61(3), pages 389-419, May.
  5. Berliant, Marcus & Peng, Shin-Kun & Wang, Ping, 2002. "Production Externalities and Urban Configuration," Journal of Economic Theory, Elsevier, vol. 104(2), pages 275-303, June.
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