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Optimal monetary policy in the open economy with labor market frictions

Author

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  • Kim, Cholwoo

    (Department of Economics, University of Warwick)

Abstract

This paper examines Ramsey-type optimal monetary policy in an open economy with a two-country dynamic general equilibrium model where search and matching frictions exist in labor markets along with the limited participation in the financial markets. Monetary policy affects the decision of firms in labor markets because firms finance their wage bills with loans from domestic financial intermediaries in advance. There are two main results associated with optimal monetary policy. The long-term optimal nominal interest rate could be zero suggesting negative optimal inflation rate in the long run because the terms of trade effect on consumption could be weaken by search frictions. As a result of Ramsey optimal monetary policy, dynamics of business cycles in both countries show similar patterns in response to a productivity shock and, in turn, higher cross-country correlations of real variables.

Suggested Citation

  • Kim, Cholwoo, 2025. "Optimal monetary policy in the open economy with labor market frictions," The Warwick Economics Research Paper Series (TWERPS) 1539, University of Warwick, Department of Economics.
    • Handle: RePEc:wrk:warwec:1539
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    File URL: https://warwick.ac.uk/fac/soc/economics/research/workingpapers/2025/twerp_1539-_kim.pdf
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    More about this item

    Keywords

    labor market frictions ; search and matching ; working capital ; optimal monetary policy JEL Codes: E24 ; E52 ; F41;
    All these keywords.

    JEL classification:

    • E24 - Macroeconomics and Monetary Economics - - Consumption, Saving, Production, Employment, and Investment - - - Employment; Unemployment; Wages; Intergenerational Income Distribution; Aggregate Human Capital; Aggregate Labor Productivity
    • 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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