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Optimal Monetary Policy and Exchange Rate in a Small Open Economy with Unemployment

Hyuk-jae Rhee and Jeongseok Song ()
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Jeongseok Song: Chung-Ang University

East Asian Economic Review, 2014, vol. 18, issue 3, 301-335

Abstract: In this paper, we consider a small open economy under the New Keynesian model with unemployment of Gali (2011a, b) to discuss the design of the monetary policy. Our findings can be summarized in three parts. First, even with the existence of unemployment, the optimal policy is to minimize variance of domestic price inflation, wage inflation, and the output gap when both domestic price and wage are sticky. Second, stabilizing unemployment rate is important in reducing the welfare loss incurred by both technology and labor supply shocks. Therefore, introducing the unemployment rate as an another argument into the Taylor-rule type interest rate rule will be welfare-enhancing. Lastly, controlling CPI inflation is the best option when the policy is not allowed to respond to unemployment rate. Once the unemployment rate is controlled, however, stabilizing power of CPI inflation-based Taylor rule is diminished.

Keywords: Monetary Policy; Exchange Rate; Unemployment; Small Open Economy (search for similar items in EconPapers)
JEL-codes: E31 E58 F41 (search for similar items in EconPapers)
Date: 2014
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