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A dynamic model of open source vs proprietary R&D

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  • Tesoriere, Antonio
  • Balletta, Luigi

Abstract

We propose a dynamic model in which firms compete to produce sequential and cumulative innovations, and in which the more firms do research in one sector the more likely it is that one of them innovates. Firms choose research effort and whether to patent innovations or to use an Open Source license like the General Public License. We show that (i) patents generate a larger stationary reward but foreclose research within a sector, and that (ii) Open Source generates a smaller stationary reward but allows everyone to use the technology, and therefore, by attracting firms to the sector, it induces a faster pace of innovation. We characterize all the equilibria of the model and show that in equilibrium an Open Source sector appears only after a proprietary sector. We also find conditions under which the model has a unique equilibrium, in which a proprietary and an Open Source sector coexist and compete in the short run, but the Open Source sector dominates the industry in the long run. We use our model to study whether patents are inefficient, and to explain firms’ behavior in the software and the biomedical industry.

Suggested Citation

  • Tesoriere, Antonio & Balletta, Luigi, 2017. "A dynamic model of open source vs proprietary R&D," European Economic Review, Elsevier, vol. 94(C), pages 221-239.
    • Handle: RePEc:eee:eecrev:v:94:y:2017:i:c:p:221-239
    DOI: 10.1016/j.euroecorev.2017.02.009
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    References listed on IDEAS

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    Cited by:

    1. Galasso, Alberto, 2020. "Rewards versus intellectual property rights when commitment is limited," Journal of Economic Behavior & Organization, Elsevier, vol. 169(C), pages 397-411.
    2. Luigi Balletta & Antonio Tesoriere, 2020. "Cumulative innovation, open source, and distance to frontier," Journal of Public Economic Theory, Association for Public Economic Theory, vol. 22(6), pages 1875-1920, December.
    3. Gastón Llanes, 2019. "Competitive strategy for open and user innovation," Journal of Economics & Management Strategy, Wiley Blackwell, vol. 28(2), pages 280-297, April.

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    More about this item

    Keywords

    Innovation; Open source; Patents;
    All these keywords.

    JEL classification:

    • D45 - Microeconomics - - Market Structure, Pricing, and Design - - - Rationing; Licensing
    • L17 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Open Source Products and Markets
    • O31 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - Innovation and Invention: Processes and Incentives
    • O34 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - Intellectual Property and Intellectual Capital

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