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Multiproduct Firms and Product Differentiation: a Survey

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  • Manez, J.A.
  • Waterson, M.

Abstract

We start the survey by reviewing the implications of horizontal and vertical product differentiation on market structure under the assumption of single-product firms. Then, we analyze the main results of the multi-product firm models, both when variants are assumed differentiated in vertical attributes only and when variants are assumed differentiated in two dimensions (vertical and horizontal). Finally, we review the empirical literature about the discrete-choice models of product differention.

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File URL: http://www2.warwick.ac.uk/fac/soc/economics/research/workingpapers/2008/twerp594.pdf
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Bibliographic Info

Paper provided by University of Warwick, Department of Economics in its series The Warwick Economics Research Paper Series (TWERPS) with number 594.

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Length: 56 pages
Date of creation: 2001
Date of revision:
Handle: RePEc:wrk:warwec:594

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Keywords: COMPETITION ; MARKET ; PRODUCTION DIVERSIFICATION;

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References

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  1. Curtis Eaton, B. & Lipsey, Richard G., 1989. "Product differentiation," Handbook of Industrial Organization, in: R. Schmalensee & R. Willig (ed.), Handbook of Industrial Organization, edition 1, volume 1, chapter 12, pages 723-768 Elsevier.
  2. Neven, D. & Thisse, J-F., 1989. "On Quality And Variety Competition," CORE Discussion Papers 1989020, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
  3. Eaton, B Curtis & Lipsey, Richard G, 1979. "The Theory of Market Pre-emption: The Persistence of Excess Capacity and Monopoly in Growing Spatial Markets," Economica, London School of Economics and Political Science, vol. 46(182), pages 149-58, May.
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  5. Klemperer, Paul, 1992. "Equilibrium Product Lines: Competing Head-to-Head May Be Less Competitive," American Economic Review, American Economic Association, vol. 82(4), pages 740-55, September.
  6. Caplin, Andrew & Nalebuff, Barry, 1991. "Aggregation and Imperfect Competition: On the Existence of Equilibrium," Econometrica, Econometric Society, vol. 59(1), pages 25-59, January.
  7. Shaked, Avner & Sutton, John, 1983. "Natural Oligopolies," Econometrica, Econometric Society, vol. 51(5), pages 1469-83, September.
  8. Gilbert, Richard J. & Matutes, Carmen, 1989. "Product Line Rivalry with Brand Differentiation," Department of Economics, Working Paper Series qt1nr3k6nk, Department of Economics, Institute for Business and Economic Research, UC Berkeley.
  9. Steven Berry & Vittorio Grilli & F. Lopez-de-Silanes, 1992. "The Automobile Industry and The Mexico-Us Free Trade Agreement," NBER Working Papers 4152, National Bureau of Economic Research, Inc.
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  11. Degryse, Hans, 1996. "On the Interaction between Vertical and Horizontal Product Differentiation: An Application to Banking," Journal of Industrial Economics, Wiley Blackwell, vol. 44(2), pages 169-86, June.
  12. Kenneth L. Judd, 1983. "Credible Spatial Preemption," Discussion Papers 577, Northwestern University, Center for Mathematical Studies in Economics and Management Science.
  13. Goldberg, Pinelopi Koujianou, 1995. "Product Differentiation and Oligopoly in International Markets: The Case of the U.S. Automobile Industry," Econometrica, Econometric Society, vol. 63(4), pages 891-951, July.
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  16. Feenstra, Robert C & Levinsohn, James A, 1995. "Estimating Markups and Market Conduct with Multidimensional Product Attributes," Review of Economic Studies, Wiley Blackwell, vol. 62(1), pages 19-52, January.
  17. Canoy, Marcel & Peitz, Martin, 1997. "The Differentiation Triangle," Journal of Industrial Economics, Wiley Blackwell, vol. 45(3), pages 305-28, September.
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  22. Katz, Michael L, 1984. "Firm-Specific Differentiation and Competition among Multiproduct Firms," The Journal of Business, University of Chicago Press, vol. 57(1), pages S149-66, January.
  23. Berry, S. & Linsohn, J. & Pakes, A., 1997. "Voluntary Export Restraints on Automobiles: Evaluating a Strategic Trade Policy," Working Papers 393, Research Seminar in International Economics, University of Michigan.
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Citations

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Cited by:
  1. Bar-Isaac, Heski, 2009. "Breadth, depth, and competition," Economics Letters, Elsevier, vol. 103(2), pages 110-112, May.
  2. Blanchard, Pierre & Gaigne, Carl & Mathieu, Claude, 2012. "Trade Costs and International Strategy of Firms: the Role of Endogenous Product Differentiation," Working Papers 121117, University of Laval, Center for Research on the Economics of the Environment, Agri-food, Transports and Energy (CREATE).
  3. Bergès, Fabian & Bontems, Philippe & Réquillart, Vincent, 2007. "L'impact économique du développement des marques de distributeurs," IDEI Working Papers 455, Institut d'Économie Industrielle (IDEI), Toulouse.
  4. Alexander Konovalov & Zsolt Sándor, 2010. "On price equilibrium with multi-product firms," Economic Theory, Springer, vol. 44(2), pages 271-292, August.
  5. Paul de Bijl & M. Peitz, 2008. "Access Regulation and the Adoption of VoIP," CPB Discussion Paper 109, CPB Netherlands Bureau for Economic Policy Analysis.
  6. Pierre Blanchard & Carl Gaigné & Claude Mathieu, 2010. "The International Strategy of Firms: the Role of Endogenous Product Differentiation," Working Papers SMART - LERECO 10-02, INRA UMR SMART.

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