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R&D, free entry, and social inefficiency

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  • Shoji Haruna
  • Rajeev Goel

Abstract

We employ a three-stage game model with cost-reducing research and development (R&D) that is subject to spillovers to consider the problem of excess entry under free-entry equilibrium relative to the social optimum. Firms choose to enter or exit a market in the first stage, choose R&D in the second stage and output in the final stage. Results show that there is socially inefficient or excessive entry in equilibrium. However, we uniquely demonstrate that research spillovers hold the key to whether established results regarding socially inefficient entry hold. Specifically, excessive entry occurs as long as research spillovers are relatively small, but this is not necessarily the case with large spillovers. Some policy implications are discussed.

Suggested Citation

  • Shoji Haruna & Rajeev Goel, 2011. "R&D, free entry, and social inefficiency," Economics of Innovation and New Technology, Taylor & Francis Journals, vol. 20(1), pages 89-101.
    • Handle: RePEc:taf:ecinnt:v:20:y:2011:i:1:p:89-101
    DOI: 10.1080/10438599.2010.533534
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    References listed on IDEAS

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    Cited by:

    1. Leonard Wang & Angela Chao & Jen-yao Lee, 2015. "R&D and Social Inefficiency of Entry," Journal of Industry, Competition and Trade, Springer, vol. 15(2), pages 181-187, June.
    2. Bondarev, Anton & Dato, Prudence & Krysiak, Frank C., 2021. "Green Technology Transitions with an Endogenous Market Structure," Working papers 2021/07, Faculty of Business and Economics - University of Basel.
    3. de Pinto Marco & Goerke Laszlo, 2019. "Efficiency Wages in Cournot-Oligopoly," The B.E. Journal of Economic Analysis & Policy, De Gruyter, vol. 19(4), pages 1-13, October.
    4. Marco de Pinto & Laszlo Goerke, 2022. "Cost uncertainty in an oligopoly with endogenous entry," Bulletin of Economic Research, Wiley Blackwell, vol. 74(4), pages 927-948, October.
    5. Cao, Hang & Wang, Leonard F.S., 2020. "Social efficiency of entry in a vertically related industry revisited," Economics Letters, Elsevier, vol. 192(C).
    6. Angela C. Chao & Jen-yao Lee & Leonard F.S. Wang, 2017. "Stackelberg Competition, Innovation and Social Efficiency of Entry," Manchester School, University of Manchester, vol. 85(1), pages 1-12, January.
    7. Laszlo Goerke, 2017. "Tax evasion in a Cournot oligopoly with endogenous entry," International Tax and Public Finance, Springer;International Institute of Public Finance, vol. 24(5), pages 754-779, September.
    8. Liu, An-Hsiang & Siebert, Ralph B., 2022. "The competitive effects of declining entry costs over time: Evidence from the static random access memory market," International Journal of Industrial Organization, Elsevier, vol. 80(C).
    9. Keisuke Hattori & Takeshi Yoshikawa, 2016. "Free entry and social inefficiency under co-opetition," Journal of Economics, Springer, vol. 118(2), pages 97-119, June.
    10. Goerke, Laszlo, 2020. "A political economy perspective on horizontal FDI in a dynamic Cournot-oligopoly with endogenous entry," European Journal of Political Economy, Elsevier, vol. 63(C).

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