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Trend inflation, Taylor principle and indeterminacy

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Author Info
Guido Ascari () (University of Pavia)
Tiziano Ropele () (Bank of Italy, Economic Research Unit, Genova Branch)

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Abstract

Even low levels of trend inflation substantially affect the dynamics of a basic new Keynesian DSGE model when monetary policy is conducted by a contemporaneous Taylor rule. Positive trend inflation shrinks the determinacy region. Neither the Taylor principle, which requires the inflation coefficient to be greater than one, nor the generalized Taylor principle, which requires that in the long run the nominal interest rate should be raised by more than the increase in inflation, is a sufficient condition for local determinacy of equilibrium. This finding holds for different types of Taylor rules, inertial policy rules and price indexation schemes. Therefore, regardless of the theoretical set up, the monetary literature on Taylor rules cannot disregard average inflation in both theoretical and empirical analysis.

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Paper provided by Bank of Italy, Economic Research Department in its series Temi di discussione (Economic working papers) with number 708.

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Date of creation: May 2009
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Handle: RePEc:bdi:wptemi:td_708_09

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Related research
Keywords: sticky prices; Taylor rules; trend inflation;

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Find related papers by 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

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Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
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Full references

Cited by:
(explanations, Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.)

  1. Troy Davig & Eric M. Leeper, 2005. "Generalizing the Taylor Principle," NBER Working Papers 11874, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
    Other versions:
  2. Olivier Coibion & Yuriy Gorodnichenko, 2008. "Strategic Interaction Among Heterogeneous Price-Setters In An Estimated DSGE Model," NBER Working Papers 14323, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
  3. Marcela Meirelles Aurelio, 2006. "Targeting inflation and the fiscal balance : what is the optimal policy mix?," Research Working Paper RWP 06-07, Federal Reserve Bank of Kansas City. [Downloadable!]
  4. Luca Benati, 2009. "Long Run Evidence on Money Growth and Inflation," Working Paper Series 1027, European Central Bank. [Downloadable!]
  5. Andrea Colciago, 2006. "Sticky wages and rule of thumb consumers," Working Papers 98, University of Milano-Bicocca, Department of Economics, revised Sep 2006. [Downloadable!]
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