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Private patent protection in the theory of Schumpeterian growth

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  • Davis, Lewis S.
  • Şener, Fuat

Abstract

We develop a Schumpeterian growth model with privately optimal intellectual property rights (IPRs) enforcement and investigate the implications for intellectual property and R&D policies. In our setting, successful innovators undertake costly rent protection activities (RPAs) to enforce their patents. RPAs deter innovators who seek to discover higher quality products and thereby replace the patent holder. RPAs also deter imitators who seek to capture a portion of the monopoly market by imitating the patent holder's product. We investigate the role of private IPR protection by considering the impact of subsidies to RPAs on economic growth and welfare. We find that a larger RPA subsidy raises the innovation rate if and only if the ease of imitation is above a certain level. With regards to welfare, we find that depending on the parameters it may be optimal to tax or subsidize RPAs. Thus a prohibitively high taxation of RPAs is not necessarily optimal. We also show that the presence of imitation strengthens the case for subsidizing R&D.

Suggested Citation

  • Davis, Lewis S. & Şener, Fuat, 2012. "Private patent protection in the theory of Schumpeterian growth," European Economic Review, Elsevier, vol. 56(7), pages 1446-1460.
    • Handle: RePEc:eee:eecrev:v:56:y:2012:i:7:p:1446-1460
    DOI: 10.1016/j.euroecorev.2012.07.002
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    References listed on IDEAS

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    Cited by:

    1. Lin, Hwan C., 2013. "Optimal Patent Life in a Variety-Expansion Growth Model," MPRA Paper 49790, University Library of Munich, Germany.
    2. Balsmeier, Benjamin & Delanote, Julie, 2015. "Employment growth heterogeneity under varying intellectual property rights regimes in European transition economies: Young vs. mature innovators," Journal of Comparative Economics, Elsevier, vol. 43(4), pages 1069-1084.
    3. Tatsuro Iwaisako & Kazuyoshi Ohki, 2019. "Innovation by Heterogeneous Leaders," Scandinavian Journal of Economics, Wiley Blackwell, vol. 121(4), pages 1673-1704, October.
    4. Hwan C. Lin, 2015. "Creative Destruction and Optimal Patent Life in a Variety‐Expanding Growth Model," Southern Economic Journal, John Wiley & Sons, vol. 81(3), pages 803-828, January.
    5. Chu, Angus C. & Cozzi, Guido & Galli, Silvia, 2014. "Stage-dependent intellectual property rights," Journal of Development Economics, Elsevier, vol. 106(C), pages 239-249.
    6. Angus Chu & Guido Cozzi & Chih-Hsing Liao, 2013. "Endogenous fertility and human capital in a Schumpeterian growth model," Journal of Population Economics, Springer;European Society for Population Economics, vol. 26(1), pages 181-202, January.
    7. Keiichi Kishi, 2014. "A patentability requirement and industries targeted by R&D," Discussion Papers in Economics and Business 14-27-Rev., Osaka University, Graduate School of Economics, revised Oct 2014.
    8. Furukawa, Yuichi, 2013. "The struggle to survive in the R&D sector: Implications for innovation and growth," Economics Letters, Elsevier, vol. 121(1), pages 26-29.
    9. Karsten Wasiluk, 2014. "Imitation Induced Innovation in General Equilibrium," Working Paper Series of the Department of Economics, University of Konstanz 2014-12, Department of Economics, University of Konstanz.
    10. Michael Klein & Yibai Yang, 2024. "Blocking Patents, Rent Protection and Economic Growth"," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 52, pages 1-20, April.
    11. Klein, Michael A., 2022. "The reward and contract theories of patents in a model of endogenous growth," European Economic Review, Elsevier, vol. 147(C).
    12. Michael Klein & Fuat Sener, 2023. "Product Innovation, Diffusion and Endogenous Growth," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 48, pages 178-201, April.
    13. FURUKAWA Yuichi & NIWA Sumiko, 2021. "Deflation and Declining Business Dynamism in a Cash-in-Advance Economy," Discussion papers 21058, Research Institute of Economy, Trade and Industry (RIETI).
    14. Dinopoulos, Elias & Grieben, Wolf-Heimo & Şener, Fuat, 2023. "A Policy Conundrum: Schumpeterian Growth or Job Creation?," Economic Modelling, Elsevier, vol. 126(C).
    15. 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.
    16. Iwaisako, Tatsuro, 2023. "Optimal mix of R&D subsidy and patent protection in a heterogeneous-industry R&D-based growth model," Journal of Economic Dynamics and Control, Elsevier, vol. 154(C).
    17. Klein, Michael A., 2020. "Secrecy, the patent puzzle and endogenous growth," European Economic Review, Elsevier, vol. 126(C).
    18. Michael Klein & Fuat Sener, 2023. "Product Innovation, Diffusion and Endogenous Growth," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 48, pages 178-201, April.

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