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Concurrence et innovation

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  • Gérard Hamard

Abstract

[fre] L'analyse du progrès technique a reçu une impulsion essentielle grâce aux travaux de J. Schumpeter. Récemment deux auteurs, Nelson et Winter, ont réussi à simuler la croissance américaine en utilisant les idées schumpétériennes et en attribuant aux entreprises un comportement proche de celui envisagé par H. A. Simon. Le but de l'article est de montrer que l'on peut construire un modèle plus large synthétisant à la fois la notion de destruction créatrice, la rationalité limitée et le conflit de répartition. Les simulations indiquent que l'on est en mesure de reproduire correctemnt l'inflation, les productivités du travail et du capital et la structure du revenu national. On montre aussi que sous des anticipations statiques de la production, l'écart entre l'offre et la demande globale ira en s'accroissant. [eng] The analysis of technical progress has received an essential impulsion with the work of J. Schumpeter. In the last year, R. Nelson and S. Winter have worked out an evolutionnary model of american growth. The model is in the spirit of Schumpeter and also in the spirit of HA. Simon about the firm rationality. The aim of this paper is to build a model of microsimulation with many firms and an industrial structure. The firms are constrained by moving technological environment, by bounded rationality and by a distribution conflict. The model gives a good evolution for inflation, labor productivity, productivity, and also for the share of labor in the national income. Under static anticipations, the des- iquilibrium between supply and demand is growing.

Suggested Citation

  • Gérard Hamard, 1988. "Concurrence et innovation," Revue Française d'Économie, Programme National Persée, vol. 3(3), pages 217-240.
  • Handle: RePEc:prs:rfreco:rfeco_0769-0479_1988_num_3_3_1190
    DOI: 10.3406/rfeco.1988.1190
    Note: DOI:10.3406/rfeco.1988.1190
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