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La représentation macro-économique de l'innovation

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  • Frédérique Cerisier
  • Katheline Schubert

Abstract

[fre] Les modèles fondateurs des nouvelles théories de la croissance ont établi une forme de standard de représentation de l'innovation dans les modèles macro-économiques. Leur avantage est une relative simplicité et une grande facilité d'intégration dans un cadre macro-dynamique, mais ils font preuve d'une certaine pauvreté en termes de représentation du processus d'innovation en lui-même, et de son insertion dans l'économie de marché. Il n'y a donc pas de raison de penser que les conclusions qui découlent de ces modèles ne sont pas affectées par cette simplicité. Le champs de recherche ouvert par ces travaux fondateurs a donné naissance à de nombreux travaux théoriques s'attachant à enrichir la description de l'innovation, et ainsi l'analyse de la croissance. Nous tentons d'en faire un bilan, bien que les domaines de recherche ouverts par ces travaux donnent encore régulièrement naissance à de nouveaux résultats. [eng] Seminal models of the endogenous growth literature have set a traditional framework for the representation of innovation in macroeconomic models. This framework happens to be simple and easy to handle in a macrodynamic setting. However, it offers a poor representation of the innovation process itself, and of its inclusion in the market economy. There is no reason to think that the conclusions that one can draw from these models are not affected by such a simplicity. Accordingly, several recent theoretical papers aim at deepening the description of the innovation process and of its effect on growth. In this paper, we try to review this recent literature, and to highlight the main conclusions of a still very active field.

Suggested Citation

  • Frédérique Cerisier & Katheline Schubert, 2000. "La représentation macro-économique de l'innovation," Revue Française d'Économie, Programme National Persée, vol. 15(1), pages 123-171.
  • Handle: RePEc:prs:rfreco:rfeco_0769-0479_2000_num_15_1_1444
    Note: DOI:10.3406/rfeco.2000.1444
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