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Monetary Rules, Determinacy and Limited Enforcement

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  • Jean Barthélemy
  • Eric Mengus

Abstract

This paper investigates the ability of monetary policy rules to coordinate private agents' expectations when the enforcement of rules is limited. We show that limited enforcement precludes diverging inflation paths ensuring that nominal variables remain bounded in equilibrium. When applied to Taylor rules this makes the Taylor principle necessary and sufficient for price determinacy. However, limited enforcement also allows agents to rationally anticipate multiple policies and we show that, in general, there is no policy rule able to recoordinate any private agents' belief on that rule. We finally provide conditions under which such recoordination may take place.

Suggested Citation

  • Jean Barthélemy & Eric Mengus, 2018. "Monetary Rules, Determinacy and Limited Enforcement," Working papers 700, Banque de France.
    • Handle: RePEc:bfr:banfra:700
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    More about this item

    Keywords

    Policy Rules; Determinacy; Limited Enforcement.;
    All these keywords.

    JEL classification:

    • E31 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Price Level; Inflation; Deflation
    • E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy
    • E65 - Macroeconomics and Monetary Economics - - Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General Outlook - - - Studies of Particular Policy Episodes

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