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Patent Protection and Strategic Delays in Technology Development: Implications for Economic Growth

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  • Maggie Xiaoyang Chen
  • Murat Iyigun

Abstract

We present an endogenous growth model in which both the investment to develop a new technology—that upgrades the quality of machines—and entry of imitators are determined endogenously. According to the model, how soon the new‐technology machine is launched after the patent is granted is influenced by two factors: returns to scale in technology development and “strategic delays.” Strategic delays in technology development are most likely to occur when earlier dates of success enable imitators to enter an industry, that is, when imitation is swift and relatively cheap and/or patent protection is relatively lengthy. We then explore the link between the optimal patent length and economic growth and find that the equilibrium investment in technology development and thus the expected rate of technological progress exhibit an inverted U‐shape relationship with respect to the legal patent length.

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  • Maggie Xiaoyang Chen & Murat Iyigun, 2011. "Patent Protection and Strategic Delays in Technology Development: Implications for Economic Growth," Southern Economic Journal, John Wiley & Sons, vol. 78(1), pages 211-232, July.
    • Handle: RePEc:wly:soecon:v:78:y:2011:i:1:p:211-232
    DOI: 10.4284/0038-4038-78.1.211
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    Cited by:

    1. Chu, Angus C. & Leung, Charles K.Y. & Tang, Edward, 2012. "Intellectual property rights, technical progress and the volatility of economic growth," Journal of Macroeconomics, Elsevier, vol. 34(3), pages 749-756.
    2. Chu, Angus C. & Pan, Shiyuan, 2013. "The Escape-Infringement Effect Of Blocking Patents On Innovation And Economic Growth," Macroeconomic Dynamics, Cambridge University Press, vol. 17(4), pages 955-969, June.

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    More about this item

    JEL classification:

    • O11 - Economic Development, Innovation, Technological Change, and Growth - - Economic Development - - - Macroeconomic Analyses of Economic Development
    • O31 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - Innovation and Invention: Processes and Incentives
    • O40 - Economic Development, Innovation, Technological Change, and Growth - - Economic Growth and Aggregate Productivity - - - General

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