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Crise de la théorie et crise de la politique économique : des modèles d’équilibre général stochastique aux modèles de dynamique hors de l’équilibre

Author

Listed:
  • Jean-Luc Gaffard

    (Observatoire français des conjonctures économiques)

Abstract

L’article est dédié à reconsidérer les objectifs de la politique monétaire, mais aussi à redéfinir un ‘policy mix’ dans une économie systématiquement confrontée à des déséquilibres dus à des changements de technologie, de composition de la demande ou de répartition des revenus. Il est motivé par les échecs de politique économique révélés par la crise. Une évaluation critique des modèles d’équilibre général dynamique stochastique, qui constituent le fondement théorique des politiques mises en oeuvre par les banques centrales retenant comme seul objectif le taux d’inflation, est le point de départ pour reconsidérer la nature des fluctuations et produire des arguments en faveur d’une approche ‘hors de l’équilibre’. Cette approche met l’accent sur les distorsions de la structure productive induites par n’importe quel changement structurel et montre pourquoi et comment l’incohérence temporelle entre la construction et l’utilisation de la capacité productive a une contrepartie monétaire et financière qui peut engendrer une instabilité globale. Elle appelle une révision des objectifs de la politique monétaire et un nouveau policy mix.

Suggested Citation

  • Jean-Luc Gaffard, 2012. "Crise de la théorie et crise de la politique économique : des modèles d’équilibre général stochastique aux modèles de dynamique hors de l’équilibre," Sciences Po publications 2012-10, Sciences Po.
  • Handle: RePEc:spo:wpmain:info:hdl:2441/c6t1fl36hv9s7q89j8m3l00al
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    References listed on IDEAS

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    More about this item

    Keywords

    fluctuations; inflation; politique monétaire; changement structurel; taux d’intérêt; fluctuations; inflation; interest rate; monetary policy; structural change.;
    All these keywords.

    JEL classification:

    • E32 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Business Fluctuations; Cycles
    • E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy
    • E58 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Central Banks and Their Policies
    • E61 - Macroeconomics and Monetary Economics - - Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General Outlook - - - Policy Objectives; Policy Designs and Consistency; Policy Coordination

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