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Defensive Strategies in the Quality Ladders

Author

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  • Ivan Ledezma

    () (Université Paris Dauphine, LEDa UMR 225 DIAL, IRD)

Abstract

(english) This paper analyses the potentially defensive behaviour of patent race winners and its effect on aggregate R&D effort. It proposes a quality-ladders model that endogenously determines leaders technology advantages and who innovates. Product market regulation can have either a positive or a negative effect on R&D intensity. The negative effect is likely to be observed in highly deregulated economies. The positive influence arises in more regulated environments and it is stronger for larger innovative jumps. These steady-state equilibrium outcomes are consistent with puzzling and contrasting patterns stemming from data on manufacturing industries for 14 OECD countries during the period 1987-2003. _________________________________ (français) Dans cet article nous étudions le comportement potentiellement défensif des innovateurs et son effet sur l’effort agrégé d’innovation. Un modèle à échelles de qualité est proposé afin d’analyser l’émergence d’avantages technologiques qui, in fine, déterminent qui innove (le leader ou ses concurrents). Dans ce contexte, la réglementation de marché peut avoir un effet positif ou négatif sur l’intensité en R&D. Elle peut être négativement associée à l’effort d’innovation dans des environnements hautement dérèglementés. Par contre, en économies qui dépassent un certain seuil de réglementation, susceptible de limiter effectivement la construction de barrières stratégiques, la réglementation induit des incitations à innover. Ces prédictions sont cohérentes avec des tests empiriques menés sur un échantillon d’industries appartenant à 14 pays de l’OCDE durant la période 1987-2003.

Suggested Citation

  • Ivan Ledezma, 2010. "Defensive Strategies in the Quality Ladders," Working Papers DT/2010/11, DIAL (Développement, Institutions et Mondialisation).
  • Handle: RePEc:dia:wpaper:dt201011
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    References listed on IDEAS

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    Citations

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    Cited by:

    1. Kiedaisch, Christian, 2015. "Intellectual property rights in a quality-ladder model with persistent leadership," European Economic Review, Elsevier, vol. 80(C), pages 194-213.
    2. Bruno AMABLE & Iván LEDEZMA, 2013. "Export Performance And Product Market Regulation," Region et Developpement, Region et Developpement, LEAD, Universite du Sud - Toulon Var, vol. 37, pages 231-258.
    3. Tatsuro Iwaisako & Kazuyoshi Ohki, 2015. "Innovation by Heterogeneous Leaders," Discussion Papers in Economics and Business 15-30-Rev., Osaka University, Graduate School of Economics, revised Apr 2018.
    4. Amable, Bruno & Ledezma, Ivan & Robin, Stéphane, 2016. "Product market regulation, innovation, and productivity," Research Policy, Elsevier, vol. 45(10), pages 2087-2104.
    5. Andre Jungmittag, 2018. "The Direct and Indirect Effects of Product Market Regulations in the Retail Trade Sector," JRC Working Papers JRC112222, Joint Research Centre (Seville site).
    6. repec:dau:papers:123456789/4966 is not listed on IDEAS
    7. Federico Etro, 2010. "Endogenous market structures and antitrust policy," International Review of Economics, Springer;Happiness Economics and Interpersonal Relations (HEIRS), vol. 57(1), pages 9-45, March.
    8. Ivan Ledezma, 2013. "Defensive Strategies in the Quality Ladders," Post-Print hal-01614161, HAL.
    9. Bruno Amable & Ivan Ledezma & Stéphane Robin, 2014. "Product market regulation, innovation and productivity," Post-Print halshs-00973947, HAL.

    More about this item

    Keywords

    Innovative leaders; quality ladders; product market regulation; R&D; Leaders innovants; modèle à échelles de qualité; réglementation.;

    JEL classification:

    • L13 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Oligopoly and Other Imperfect Markets
    • O31 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - Innovation and Invention: Processes and Incentives
    • O33 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - Technological Change: Choices and Consequences; Diffusion Processes

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