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Intellectual property rights in a quality-ladder model with persistent leadership
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Intellectual property rights in a quality-ladder model with persistent leadership

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  • Christian Kiedaisch

Abstract

This article analyzes the effects of intellectual property rights in a quality-ladder model in which incumbent firms preemptively innovate in order to keep their position of leadership. Unlike in models with leapfrogging, granting non-expiring forward protection reduces the rate of innovation and imposing a non-obviousness requirement reduces R&D spending. It is shown that full protection against imitation, granted independently of the size of the lead, maximizes the average innovation rate.

Suggested Citation

  • Christian Kiedaisch, 2012. "Intellectual property rights in a quality-ladder model with persistent leadership," ECON - Working Papers 078, Department of Economics - University of Zurich.
    • Handle: RePEc:zur:econwp:078
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    Cited by:

    1. Angus C. Chu & Guido Cozzi & Haichao Fan & Shiyuan Pan & Mengbo Zhang, 2020. "Do Stronger Patents Stimulate or Stifle Innovation? The Crucial Role of Financial Development," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 52(5), pages 1305-1322, August.
    2. Angus C. Chu, 2024. "Macroeconomic effects of intellectual property rights: an updated survey," Chapters, in: Walter G. Park (ed.), Handbook of Innovation and Intellectual Property Rights, chapter 2, pages 13-26, Edward Elgar Publishing.
    3. Tatsuro Iwaisako & Kazuyoshi Ohki, 2019. "Innovation by Heterogeneous Leaders," Scandinavian Journal of Economics, Wiley Blackwell, vol. 121(4), pages 1673-1704, October.
    4. Ohki, Kazuyoshi, 2023. "Disruptive innovation by heterogeneous incumbents and economic growth: When do incumbents switch to new technology?," Journal of Mathematical Economics, Elsevier, vol. 107(C).
    5. Angus C. Chu & Yuichi Furukawa & Sushanta Mallick & Pietro Peretto & Xilin Wang, 2021. "Dynamic effects of patent policy on innovation and inequality in a Schumpeterian economy," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 71(4), pages 1429-1465, June.
    6. Hu, Xiaotian & Yin, Xiaopeng, 2022. "Do stronger intellectual property rights protections raise productivity within the context of trade liberalization? Evidence from China," Economic Modelling, Elsevier, vol. 110(C).
    7. Hu, Mei-Ying & Lu, You-Xun & Lai, Ching-chong, 2023. "Patent term extensions and commercialization lags in the pharmaceutical industry: A growth-theoretic analysis," Journal of Macroeconomics, Elsevier, vol. 76(C).
    8. Song, Xueyin & Huang, Xianhai & Qing, Tao, 2021. "Intellectual property rights protection and quality upgrading: Evidence from China," Economic Modelling, Elsevier, vol. 103(C).
    9. Kiedaisch, Christian & Grafenhofer, Dominik, 2013. "Taste for Exclusivity and Intellectual Property Rights," VfS Annual Conference 2013 (Duesseldorf): Competition Policy and Regulation in a Global Economic Order 80017, Verein für Socialpolitik / German Economic Association.
    10. Cozzi, Guido & Galli, Silvia, 2022. "Covid-19 Vaccines, Innovation, and Intellectual Property Rights," GLO Discussion Paper Series 1095, Global Labor Organization (GLO).
    11. Angus C. Chu, 2022. "Patent policy and economic growth: A survey," Manchester School, University of Manchester, vol. 90(2), pages 237-254, March.
    12. Ramani, Shyama V. & Urias, Eduardo, 2018. "When access to drugs meets catch-up: Insights from the use of CL threats to improve access to ARV drugs in Brazil," Research Policy, Elsevier, vol. 47(8), pages 1538-1552.
    13. Angus Chu & Guido Cozzi, 2018. "Effects of Patents versus R&D subsidies on Income Inequality," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 29, pages 68-84, July.
    14. Tubadji, Annie & Nijkamp, Peter & Santarelli, Enrico, 2017. "Shacklean Uncertainty and Cultural Embeddedness as Innovation Constraints in the UK," GLO Discussion Paper Series 111, Global Labor Organization (GLO).
    15. Lu, You-Xun & Lai, Ching-Chong, 2021. "Effects of patent policy on growth and inequality: A perspective of exogenous and endogenous quality improvements," MPRA Paper 111183, University Library of Munich, Germany.
    16. lv, Kangjuan & Pan, Minjie & Huang, Li & Song, Daqiang & Qian, Xinlei, 2023. "Can intellectual property rights protection reduce air pollution? A quasi-natural experiment from China," Structural Change and Economic Dynamics, Elsevier, vol. 65(C), pages 210-222.

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    More about this item

    Keywords

    Intellectual property rights; persistent leadership; cumulative innovation; preemption; forward protection; non-obviousness requirement; patent policy;
    All these keywords.

    JEL classification:

    • L40 - Industrial Organization - - Antitrust Issues and Policies - - - General
    • O31 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - Innovation and Invention: Processes and Incentives
    • O34 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - Intellectual Property and Intellectual Capital

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