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Diffusion de la connaissance : étude d'un modèle de croissance schumpetérien et applications

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  • Gray, Elie
  • Grimaud, André

Abstract

This paper proposes a Schumpeterian growth model generalizing the existing theory : we exploit the formalization of a circular product differentiation model of Salop (1979) to take into account the fact that knowledge inherent in a given sector can diffuse variously among R&D sectors, ranging from local to global diffusion.We explain how this shapes the pools of knowledge in which each sector draws from to produced innovations. Introducing explicitly knowledge diffusion allows us to shed a new light on several questions : how to explain that growth can be over or sub-optimal ? Patent or secrecy : how should monopolies be protected ? Where does the property of scale effects exactly come from ?

Suggested Citation

  • Gray, Elie & Grimaud, André, 2010. "Diffusion de la connaissance : étude d'un modèle de croissance schumpetérien et applications," TSE Working Papers 10-204, Toulouse School of Economics (TSE).
    • Handle: RePEc:tse:wpaper:23580
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    More about this item

    JEL classification:

    • O31 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - Innovation and Invention: Processes and Incentives
    • O33 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - Technological Change: Choices and Consequences; Diffusion Processes
    • O41 - Economic Development, Innovation, Technological Change, and Growth - - Economic Growth and Aggregate Productivity - - - One, Two, and Multisector Growth Models

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