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Théorie autrichienne du cycle et théorie des cycles d’équilibre

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  • Christelle Mougeot

Abstract

[fre] En considérant les cycles non comme le résultat de défaillances du marché mais comme la conséquence d’erreurs d’interprétation de la part d’agents optimisateurs, Lucas renoue avec les théories du cycle de l’entre-deux guerres. Plus encore, il revendique une filiation avec Hayek. Cette descendance est cependant loin d’être légitime. Cet article se propose ainsi de montrer que les concepts -équilibre, anticipation et information -, les méthodes -analyse structurelle et tests économétriques contre analyse procédurale et historique -et les programmes de recherche -prévision contre coordination -séparent inéluctablement Lucas de Hayek. [eng] According to Lucas’ equilibrium business cycle theory, cycles are not the result of market failure but due to unavoidable errors on the part of optimizing agents. This approach is built on pre-war theories. Because misleading price signals are the catalysts of cyclical fluctuations, which means that individual behaviour is fundamental to explain aggregated phenomena, Lucas’ equilibrium business cycle theory is called «neo-austrian» economics. But these Austrian roots are controversial. This article shows that concepts -equilibrium, expectations and information-, methods -structural analysis versus procedural and historical analysis -and research programs -forecasting versus coordination -fundamentally divide Lucas and Hayek.

Suggested Citation

  • Christelle Mougeot, 2010. "Théorie autrichienne du cycle et théorie des cycles d’équilibre," Revue Française d'Économie, Programme National Persée, vol. 24(4), pages 67-92.
  • Handle: RePEc:prs:rfreco:rfeco_0769-0479_2010_num_24_4_1762
    DOI: 10.3406/rfeco.2010.1762
    Note: DOI:10.3406/rfeco.2010.1762
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