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R&D Portfolio and Market Structure

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  • Illoong Kwon

Abstract

This article analyses how firms allocate their resources when they compete for multiple patents in heterogeneous research projects simultaneously. A simple model shows that firms' resource allocation is biased away from risky and basic research, even when imitation is not possible and firms are fully rational. Therefore a market may lack major innovations despite large aggregate research expenditure and strong patent protection. This article also shows that as a market becomes more competitive, firms invest relatively less in basic research but more in risky research. These results provide a novel explanation for an ambiguous empirical relationship between innovation and market concentration. Copyright © The Author(s). Journal compilation © Royal Economic Society 2009.

Suggested Citation

  • Illoong Kwon, 2010. "R&D Portfolio and Market Structure," Economic Journal, Royal Economic Society, vol. 120(543), pages 313-323, March.
    • Handle: RePEc:ecj:econjl:v:120:y:2010:i:543:p:313-323
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    Cited by:

    1. Yongmin Chen & Shiyuan Pan & Tianle Zhang, 2018. "Patentability, R&D Direction, And Cumulative Innovation," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 59(4), pages 1969-1993, November.
    2. Barge-Gil, Andrés & López, Alberto, 2014. "R&D determinants: Accounting for the differences between research and development," Research Policy, Elsevier, vol. 43(9), pages 1634-1648.
    3. Igor Letina, 2016. "The road not taken: competition and the R&D portfolio," RAND Journal of Economics, RAND Corporation, vol. 47(2), pages 433-460, May.
    4. Mehmet Ugur & Eshref Trushin, 2023. "Information asymmetry, risk aversion and R&D subsidies: effect-size heterogeneity and policy conundrums," Economics of Innovation and New Technology, Taylor & Francis Journals, vol. 32(8), pages 1190-1215, November.
    5. Zhang, Yanfang, 2022. "Competitive investments between basic R&D and applied R&D with information spillovers," International Review of Economics & Finance, Elsevier, vol. 82(C), pages 707-722.

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