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Learning, optimal monetary delegation and stock prices dynamics


  • Marine Charlotte André
  • Meixing Dai


This paper studies how learning affects the interactions between monetary policy and stock prices. Learning modifes the intertemporal trade-off of the central bank by giving to the latter the possibility to manipulate private expectations. The result of this manipulation is not socially optimal since it reduces excessively the stabilization bias. To remedy this, the government should appoint a central banker that is less conservative than the society. The turnover rate in the stock market is the key factor that determines the interactions between monetary policy (hence delegation) and stock prices. A positive turnover rate means that the presence of stocks in the households' portfolios distorts the optimal consumption path. This type of distortion compensates somehow these induced by learning. The central bank should be more conservative to avoid the effect of distortions on social welfare induced by learning than in the absence of stocks.

Suggested Citation

  • Marine Charlotte André & Meixing Dai, 2017. "Learning, optimal monetary delegation and stock prices dynamics," Working Papers of BETA 2017-37, Bureau d'Economie Théorique et Appliquée, UDS, Strasbourg.
  • Handle: RePEc:ulp:sbbeta:2017-37

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    adaptive learning; stabilization bias; inflation penalty; optimal monetary delegation; central bank conservatism; stock prices.;

    JEL classification:

    • C62 - Mathematical and Quantitative Methods - - Mathematical Methods; Programming Models; Mathematical and Simulation Modeling - - - Existence and Stability Conditions of Equilibrium
    • D83 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Search; Learning; Information and Knowledge; Communication; Belief; Unawareness
    • D84 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Expectations; Speculations
    • 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

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