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Hétérogénéité des agents, interconnexions financières et politique monétaire : une approche non conventionnelle

Author

Listed:
  • Jean-Luc Gaffard

    (OFCE Sciences-Po
    Université Côte d'Azur
    GREDEG CNRS
    Institut Universitaire de France)

  • Mauro Napoletano

    (OFCE Sciences-Po
    SKEMA Business School)

Abstract

Dans cet article, nous réexaminons les fondements des modèles théoriques qui sous-tendent le consensus de politique monétaire prévalant avant la Grande Récession. Nous soulignons en quoi l'échec de ces modèles à prévenir la crise et à fournir un guide d’action pendant la récession était dû à l’excès de confiance dans la capacité d’autorégulation des marchés et à la négligence du rôle joué par la finance dont ils témoignaient. Nous présentons, ensuite, les bases d'une approche alternative de la politique monétaire qui met l'accent sur les processus de marché, la coordination entre agents hétérogènes et les externalités transmises via les interconnexions financières. De nouvelles classes de modèles, d’une part, les modèles à agents multiples et, d’autre part, les modèles de réseaux financiers, s’inscrivent dans cette approche. Nous discutons, enfin, des nouveaux éclairages fournis par ces modèles s’agissant de la conduite de la politique monétaire et de ses interactions avec les politiques budgétaire et macro-prudentielle.

Suggested Citation

  • Jean-Luc Gaffard & Mauro Napoletano, 2018. "Hétérogénéité des agents, interconnexions financières et politique monétaire : une approche non conventionnelle," GREDEG Working Papers 2018-34, Groupe de REcherche en Droit, Economie, Gestion (GREDEG CNRS), University of Nice Sophia Antipolis.
  • Handle: RePEc:gre:wpaper:2018-34
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    References listed on IDEAS

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    More about this item

    Keywords

    coordination; déséquilibre; inflation; hétérogénéité; interconnexions; marché; politique monétaire; réseaux financiers; rigidité des prix et des salaires;

    JEL classification:

    • E31 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Price Level; Inflation; Deflation
    • E32 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Business Fluctuations; Cycles
    • E5 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit
    • E61 - Macroeconomics and Monetary Economics - - Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General Outlook - - - Policy Objectives; Policy Designs and Consistency; Policy Coordination
    • E62 - Macroeconomics and Monetary Economics - - Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General Outlook - - - Fiscal Policy

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