Imperfect transparency and shifts in the central bank's output gap target
AbstractIn the New Keynesian framework, the public's expectation about the future path of monetary policy is an important determinant of current economic conditions. This paper examines the impact of unobservable shifts in the central bank's output gap target on inflation and output dynamics. I show that when the degree of persistence of a shock is private information of the central bank, and policy is discretionary in nature, it is optimal for the central bank not to reveal the future expected path of the output gap target. Perfect transparency unambiguously increases inflation and output volatility and thus lowers welfare.
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Bibliographic InfoArticle provided by Elsevier in its journal Journal of Economic Dynamics and Control.
Volume (Year): 33 (2009)
Issue (Month): 4 (April)
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Web page: http://www.elsevier.com/locate/jedc
Discretionary monetary policy New Keynesian Phillips curve Transparency Kalman filter Learning;
Other versions of this item:
- Niklas J. Westelius, 2006. "Imperfect Transparency and Shifts in the Central Bank's Output Gap Target," Economics Working Paper Archive at Hunter College 415, Hunter College Department of Economics, revised 2008.
- E5 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit
- E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy
- E61 - Macroeconomics and Monetary Economics - - Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General Outlook - - - Policy Objectives; Policy Designs and Consistency; Policy Coordination
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