Robust Monetary Policy in a Small Open Economy
Norwegian School of Management
Central Bank of Sweden - Research Department
CEPR Discussion Paper No. 5071
This paper studies how a central bank's preference for robustness against model misspecification affects the design of monetary policy in a New-Keynesian model of a small open economy. Due to the simple model structure, we are able to solve analytically for the optimal robust policy rule, and we separately analyze the effects of robustness against misspecification concerning the determination of inflation, output and the exchange rate. We show that an increased central bank preference for robustness makes monetary policy respond more aggressively or more cautiously to shocks, depending on the type of shock and the source of misspecification.
Number of Pages in PDF File: 51
Keywords: Knightian uncertainty, model uncertainty, robust control, min-max policies
JEL Classification: E52, E58, F41working papers series
Date posted: August 4, 2005
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