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Monetary Policy under Finite Speed of Trades and Myopia

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Abstract

This paper provides a new framework for monetary macro-policy, where the Central Bank potentially intervenes both on short-term and long-term loans markets, and can do this alternatively by manipulating interest rates or money supply. Following Bonnisseau and Orntangar (2010) and Giraud and Tsomokos (2010), we develop a discrete-time out-of-equilibrium dynamics with real trades, performed by myopic heterogeneous households in a cash-in-advance economy with several goods. Positive value and non-neutrality of fiat money are shown to be compatible with a local quantity theory of money. Every monetary policy induces a globally unique trade path, both for real and nominal variables.Thus, monetary policy and myopia suffice to pin down the absolute level of prices. However, a minimal money growth rate is exhibited, which depends upon the level of households' long-term debt and current gains-to-trade. Below this growth rate, the economy falls into a local liquidity trap; above it, the economy eventually converges towards a Pareto-optimal rest-point while inflation raises in an unbounded fashion. As a consequence, a literal application of Taylor's rule leads the economy to a local liquidity trap. These findings provide insight into recent non-conventional monetary policies led by Central Banks

Suggested Citation

  • Gaël Giraud & Nguenamadji Orntangar, 2011. "Monetary Policy under Finite Speed of Trades and Myopia," Documents de travail du Centre d'Economie de la Sorbonne 11011, Université Panthéon-Sorbonne (Paris 1), Centre d'Economie de la Sorbonne.
  • Handle: RePEc:mse:cesdoc:11011
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    File URL: ftp://mse.univ-paris1.fr/pub/mse/CES2011/11011.pdf
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    Keywords

    Central Bank; gains to trade; Taylor rule; myopia; liquidity trap; finite speed of trade;

    JEL classification:

    • D50 - Microeconomics - - General Equilibrium and Disequilibrium - - - General
    • E40 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - General
    • E50 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - General
    • 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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