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The Relationship between R&D and Competition: Reconciling Theory and Evidence

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  • Nikolay Chernyshev

    () (University of St Andrews)

Abstract

The hypothesis of a hump-shaped relationship between innovation and competition due to Aghion, Bloom, Blundell, Griffith, and Howitt (2005), has been tested for different data sets without garnering conclusive support. In this paper we argue that this lack of agreement is because of a difference in approaches to measuring innovation (either in terms of R&D outcomes or by R&D effort). We develop a unified tractable general-equilibrium framework, in which, while R&D outcomes are a hump-shaped function of competition, R&D effort can be observed to be either increasing, decreasing, or hump-shaped. This enables our paper, first, to reconcile the conclusions by Aghion et al. (2005) with more recent results and, second, to inform further attempts to identify the hump-shaped relationship in data.

Suggested Citation

  • Nikolay Chernyshev, 2017. "The Relationship between R&D and Competition: Reconciling Theory and Evidence," CDMA Working Paper Series 201704, Centre for Dynamic Macroeconomic Analysis.
  • Handle: RePEc:san:cdmawp:1704
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    References listed on IDEAS

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    More about this item

    Keywords

    Inverted-U (hump-shaped) relationship; research and development; vertical innovation; Cournot-competition;
    All these keywords.

    JEL classification:

    • L13 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Oligopoly and Other Imperfect Markets
    • O31 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - Innovation and Invention: Processes and Incentives
    • O41 - Economic Development, Innovation, Technological Change, and Growth - - Economic Growth and Aggregate Productivity - - - One, Two, and Multisector Growth Models

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