Diffusion de la connaissance. Étude d'un modèle de croissance schumpetérien et applications

Elie Gray and André Grimaud

Revue économique, 2011, vol. 62, issue 3, 579-588

Abstract: This paper proposes a Schumpeterian growth model generalizing the existing theory: we exploit the Salop (1979) formalization of circular product differentiation to take into account the fact that knowledge can diffuse variously among R&D sectors, ranging from local to global diffusion. We explain how this shapes the pools of knowledge in which sectors draw from to produce 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 come from? Classification JEL : O31, O33, O41

JEL-codes: O31 O33 O41 (search for similar items in EconPapers)
Date: 2011
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