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Monopolistic competition for the market with heterogeneous firms and Schumpeterian growth

Author

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  • Federico Etro

Abstract

I study monopolistic competition in patent races where firms are heterogeneous in R&D costs. Only the most efficient firms invest, and they invest more when the value of innovation is higher, while the endogenous set of active firms depends on the profitability of innovation. In particular, selection effect (increasing R&D productivity) emerge after a reduction of the entry cost or after an increase (a reduction) of the value of innovation if the elasticity of the probability of innovation is increasing (decreasing) in investment. In Schumpeterian models selection effects foster endogenous growth.

Suggested Citation

  • Federico Etro, 2019. "Monopolistic competition for the market with heterogeneous firms and Schumpeterian growth," Working Papers - Economics wp2019_09.rdf, Universita' degli Studi di Firenze, Dipartimento di Scienze per l'Economia e l'Impresa.
    • Handle: RePEc:frz:wpaper:wp2019_09.rdf
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    Cited by:

    1. Etro, Federico, 2019. "The Romer model with monopolistic competition and general technologies," Economics Letters, Elsevier, vol. 181(C), pages 1-6.

    More about this item

    Keywords

    Patent races; heterogeneous firms; monopolistic competition; Schumpeterian growth.;
    All these keywords.

    JEL classification:

    • L1 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance
    • O3 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights
    • O4 - Economic Development, Innovation, Technological Change, and Growth - - Economic Growth and Aggregate Productivity

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