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Process And Product Innovation In A Vertically Differentiated Industry

  • EMANUELE BACCHIEGA

    ()

    (Department of Economics, University of Bologna, Piazza Scaravilli 2, 40126 Bologna, Italy)

  • LUCA LAMBERTINI

    ()

    (Department of Economics, University of Bologna, Strada Maggiore 45, 40125 Bologna, Italy)

  • ANDREA MANTOVAINI

    ()

    (Department of Economics, University of Bologna, Strada Maggiore 45, 40125 Bologna, Italy)

We examine a vertically differentiated duopoly where firms invest in process and product innovation and then compete in prices under full market coverage. We show that (i) process innovation fosters (hinders) product innovation for the low-quality (high-quality) firm; (ii) the firm which is initially more efficient invests more than the rival in process innovation; (iii) if the initial differential between marginal costs is sufficiently high, the demand for the less efficient firm is nil and the duopoly equilibrium does not exist.

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Article provided by World Scientific Publishing Co. Pte. Ltd. in its journal International Game Theory Review.

Volume (Year): 13 (2011)
Issue (Month): 02 ()
Pages: 209-221

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Handle: RePEc:wsi:igtrxx:v:13:y:2011:i:02:p:209-221
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  1. Jaskold Gabszewicz, J. & Thisse, J. -F., 1979. "Price competition, quality and income disparities," Journal of Economic Theory, Elsevier, vol. 20(3), pages 340-359, June.
  2. Susan Athey & Armin Schmutzler, 1995. "Product and Process Flexibility in an Innovative Environment," RAND Journal of Economics, The RAND Corporation, vol. 26(4), pages 557-574, Winter.
  3. Luca Lambertini & Piero Tedeschi, 2006. "On the Social Desirability of Patents for Sequential Innovations in a Vertically Differentiated Market," Working Papers 20060502, Università degli Studi di Milano-Bicocca, Dipartimento di Statistica.
  4. GABSZEWICZ, Jean J. & THISSE, Jacques-François, . "Entry (and exit) in a differentiated industry," CORE Discussion Papers RP 400, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
  5. Cremer, Helmuth & Thisse, Jacques-François, 1993. "Commodity Taxation in a Differentiated Oligopoly," IDEI Working Papers 25, Institut d'Économie Industrielle (IDEI), Toulouse.
  6. Prajit K. Dutta & Saul Lach & Aldo Rustichini, 1993. "Better Late Than Early: Vertical Differentiation in the Adoption of a New Technology," NBER Working Papers 4473, National Bureau of Economic Research, Inc.
  7. Motta, Massimo & Thisse, Jacques-Francois & Cabrales, Antonio, 1997. "On the Persistence of Leadership or Leapfrogging in International Trade," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 38(4), pages 809-24, November.
  8. Ulrich Lehmann-Grube, 1997. "Strategic Choice of Quality When Quality is Costly: The Persistence of the High-Quality Advantage," RAND Journal of Economics, The RAND Corporation, vol. 28(2), pages 372-384, Summer.
  9. CREMER, Helmuth & THISSE, Jacques-François, . "Location models of horizontal differentiation: a special case of vertical differentiation models," CORE Discussion Papers RP 931, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
  10. Avner Shaked & John Sutton, 1982. "Relaxing Price Competition Through Product Differentiation," Review of Economic Studies, Oxford University Press, vol. 49(1), pages 3-13.
  11. Lambertini, Luca, 1996. "Choosing Roles in a Duopoly for Endogenously Differentiated Products," Australian Economic Papers, Wiley Blackwell, vol. 35(67), pages 205-24, December.
  12. Cohen, Wesley M & Klepper, Steven, 1996. "Firm Size and the Nature of Innovation within Industries: The Case of Process and Product R&D," The Review of Economics and Statistics, MIT Press, vol. 78(2), pages 232-43, May.
  13. d'ASPREMONT, Claude & GABSZEWICZ, Jean J. & THISSE, Jacques-François, . "On Hotelling's "Stability in competition"," CORE Discussion Papers RP 385, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
  14. d'ASPREMONT, Claude & JACQUEMIN, Alexis, . "Cooperative and noncooperative R&D in duopoly with spillovers," CORE Discussion Papers RP 823, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
  15. Motta, M., 1991. "Cooperative R&D and vertical product differentiation," CORE Discussion Papers 1991028, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
  16. van Dijk, Theon, 1996. "Patent Height and Competition in Product Improvements," Journal of Industrial Economics, Wiley Blackwell, vol. 44(2), pages 151-67, June.
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  19. L. Lambertini & R. Orsini, 2000. "Process and Product Innovation in a Vertically Differentiated Monopoly," Working Papers 367, Dipartimento Scienze Economiche, Universita' di Bologna.
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