Monetary Policy in Open versus Closed Economies in the Presence of Distortions: A Simple Transformation and Its Applications

27 Pages Posted: 23 May 2016 Last revised: 13 Jun 2016

See all articles by Kyu-Chul Jung

Kyu-Chul Jung

Korea Development Institute (KDI)

Date Written: March 10, 2014

Abstract

This paper compares the monetary policy problem in open economies with that in closed economies. It is found that the monetary policy problems in open and closed economies are isomorphic even in the presence of distortions in a steady state and hence the optimal monetary policies have similar properties. On the other hand, the monetary policy maker in open economies has a distorted incentive to manipulate the terms-of-trade. Because of the additional distortion in open economies, there exist gains from international monetary policy cooperation even in the case of a unit intertemporal elasticity of substitution, in contrast to the literature that abstracts from distortions in a steady state. Also, it is found that in the presence of distortions inflation bias is decreasing in openness, which is line with empirical evidence. In addition, this paper presents a simple transformation so that methods in closed economy models are easily applicable to open-economy models.

Keywords: Monetary Policy, Isomorphism, Distortion, Inflation Bias, International Cooperation

JEL Classification: E52, E61, F42

Suggested Citation

Jung, Kyu-Chul, Monetary Policy in Open versus Closed Economies in the Presence of Distortions: A Simple Transformation and Its Applications (March 10, 2014). KDI Journal of Economic Policy 2014, 36(1) 80-106, Available at SSRN: https://ssrn.com/abstract=2768626

Kyu-Chul Jung (Contact Author)

Korea Development Institute (KDI) ( email )

263 Namsejong-ro
Sejong-si 30149
Korea, Republic of (South Korea)

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