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Pitfalls of monetary policy under incomplete information: imprecise indicators and real indeterminacy

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  • Eugenio Gaiotti

    () (Banca d'Italia)

Abstract

The paper examines the link between the precision of the available monetary policy indicators and the determinacy of equilibrium in a forward-looking macroeconomic model with partial information and an optimizing central bank. When the information on endogenous variables is not precise enough, the central bank acts too timidly; there is a possibility of self-fulfilling fluctuations in inflation and output. It is argued that, unless they are very precise, projections of output or inflation over the relevant horizon cannot be the only criterion for determining monetary policy actions. Rules which include a sufficient reaction to nominal variables may be necessary to supply an anchor for prices, even when the policymaker intends to consider all relevant information. Appointing a �conservative� central banker may also induce a less timid response to signs of inflation or deflation, even when their interpretation is difficult. In contrast, relying too much on measures of exogenous variables, such as potential output, can be counter-productive, because it could induce an attitude that is not responsive enough to inflation or deflation.

Suggested Citation

  • Eugenio Gaiotti, 2004. "Pitfalls of monetary policy under incomplete information: imprecise indicators and real indeterminacy," Temi di discussione (Economic working papers) 488, Bank of Italy, Economic Research and International Relations Area.
  • Handle: RePEc:bdi:wptemi:td_488_04
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    References listed on IDEAS

    as
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    Cited by:

    1. Fabiani, Silvia & Gattulli, Angela & Sabbatini, Roberto, 2004. "The pricing behaviour of Italian firms: new survey evidence on price stickiness," Working Paper Series 333, European Central Bank.

    More about this item

    Keywords

    Monetary policy; information variables; incomplete information;

    JEL classification:

    • 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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