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What do robust policies look like for open economy inflation targeters?

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Author Info
Kirdan Lees (Reserve Bank of New Zealand)

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Abstract

Typical New Keynesian open economy models suggest a limited response to the exchange rate. This paper examines the role of the open economy in determining robust rules when the central bank fears various model misspecification errors. The paper calibrates a hybrid New Keynesian model to broadly fit the economies of three archetypal open economy inflation targeters - Australia, Canada, and New Zealand - and seeks robust time-consistent policy. We find that policies robust to model misspecification react more aggressively to not only the exchange rate, but also inflation, the output gap and their associated shocks. This result generalizes to the context of a flexible inflation targeting central bank that cares about the volatility of the real exchange rate. However, when the central bank places only a small weight on interest rate smoothing and fears misspecification in only exchange rate determination, a more cautious policy is recommended for all but an exchange rate shock. It is also shown that the benefits of an exchange rate channel far outweigh the concomitant costs of uncertain exchange rate determination.

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Paper provided by Reserve Bank of New Zealand in its series Reserve Bank of New Zealand Discussion Paper Series with number DP2006/08.

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Length: 26 p.
Date of creation: Sep 2006
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Handle: RePEc:nzb:nzbdps:2006/08

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Find related papers by JEL classification:
C51 - Mathematical and Quantitative Methods - - Econometric Modeling - - - Model Construction and Estimation
E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy
F41 - International Economics - - Macroeconomic Aspects of International Trade and Finance - - - Open Economy Macroeconomics

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(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. Richard Dennis & Kai Leitemo & Ulf Söderström, 2007. "Monetary policy in a small open economy with a preference for robustness," Working Paper Series 2007-04, Federal Reserve Bank of San Francisco. [Downloadable!]
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