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Que reste-t-il de la théorie du chômage de Keynes?

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  • Erhel, Christine

    (Université Paris I)

  • Zajdela, Hélène

    (Université d’Evry)

Abstract

During the development of the so-called Keynesian macroeconomics, Keynes’ unemployment theory has lost much of its meaning. This process has first led to a confusion between “involuntary” and “Keynesian” unemployment; then it has put voluntary unemployment back in the debates. Through OECD reports recommendations, we show the emergence of a consensus about the nature and causes of unemployment, which can be linked to the evolution of Keynesian macroeconomics, from IS-LM to WS-PS model. More recently, the neoclassical labour supply theory has been playing an increasing role in unemployment analysis. La théorie du chômage élaborée par Keynes a perdu de sa substance, au cours du développement d’une macroéconomie qui s’est autoqualifiée de keynésienne. Ce processus a abouti dans un premier temps à séparer le chômage involontaire du chômage keynésien, puis à réintroduire le chômage volontaire. À partir des préconisations des rapports officiels de l’OCDE, nous montrons l’émergence d’un consensus. L’analyse de l’évolution des théories « keynésiennes » du chômage de IS-LM jusqu’à WS-PS conduit au constat d’un renouveau du concept de taux de chômage naturel. Plus récemment, l’accent sur les risques de désincitation à l’activité marque la réapparition du second postulat de l’économie classique.

Suggested Citation

  • Erhel, Christine & Zajdela, Hélène, 2003. "Que reste-t-il de la théorie du chômage de Keynes?," L'Actualité Economique, Société Canadienne de Science Economique, vol. 79(1), pages 163-177, Mars-Juin.
  • Handle: RePEc:ris:actuec:v:79:y:2003:i:1:p:163-177
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