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Liquidity trap and optimal monetary policy in open economies

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  • Nakajima, Tomoyuki

Abstract

We consider an open-economy model with the Calvo-type sticky prices. We mainly analyze the situation in which the monetary authority in each country cooperates so as to maximize the world welfare. In the case where the zero lower bound (ZLB) on nominal interest rates never binds, the optimal inflation targeting rule in our open-economy model has exactly the same form as in the closed-economy model. This is not the case, however, when the ZLB may bind. The optimal paths are characterized in such a situation. In contrast with what has been suggested in the existing literature, the optimal paths of the nominal exchange rate in our model typically exhibit appreciation of the currency of the country where the ZLB binds. J. Japanese Int. Economies 22 (1) (2008) 1-33.

Suggested Citation

  • Nakajima, Tomoyuki, 2008. "Liquidity trap and optimal monetary policy in open economies," Journal of the Japanese and International Economies, Elsevier, vol. 22(1), pages 1-33, March.
    • Handle: RePEc:eee:jjieco:v:22:y:2008:i:1:p:1-33
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    Cited by:

    1. YANO Koiti, 2009. "Dynamic Stochastic General Equilibrium Models Under a Liquidity Trap and Self-organizing State Space Modeling," ESRI Discussion paper series 206, Economic and Social Research Institute (ESRI).
    2. Michael B. Devereux & James Yetman, 2014. "Capital Controls, Global Liquidity Traps, and the International Policy Trilemma," Scandinavian Journal of Economics, Wiley Blackwell, vol. 116(1), pages 158-189, January.
    3. Ida, Daisuke, 2023. "The effect of real money balances on international monetary policy transmission," Journal of International Money and Finance, Elsevier, vol. 139(C).
    4. Fujiwara, Ippei & Nakajima, Tomoyuki & Sudo, Nao & Teranishi, Yuki, 2013. "Global liquidity trap," Journal of Monetary Economics, Elsevier, vol. 60(8), pages 936-949.
    5. Alex Haberis & Anna Lipińska, 2012. "International policy spillovers at the zero lower bound," Bank of England working papers 464, Bank of England.
    6. Fujiwara, Ippei & Ueda, Kozo, 2013. "The fiscal multiplier and spillover in a global liquidity trap," Journal of Economic Dynamics and Control, Elsevier, vol. 37(7), pages 1264-1283.
    7. Ida, Daisuke, 2013. "Optimal monetary policy rules in a two-country economy with a zero bound on nominal interest rates," The North American Journal of Economics and Finance, Elsevier, vol. 24(C), pages 223-242.
    8. Ippei Fujiwara & Nao Sudo & Yuki Teranishi, 2009. "Global Liquidity Trap: A Simple Analytical Investigation," IMES Discussion Paper Series 09-E-31, Institute for Monetary and Economic Studies, Bank of Japan.
    9. Ippei Fujiwara & Nao Sudo & Yuki Teranishi, 2010. "The Zero Lower Bound and Monetary Policy in a Global Economy: A Simple Analytical Investigation," International Journal of Central Banking, International Journal of Central Banking, vol. 6(1), pages 103-134, March.
    10. Ida, Daisuke & Iiboshi, Hirokuni, 2021. "The interaction of forward guidance in a two-country new Keynesian model," MPRA Paper 106752, University Library of Munich, Germany.
    11. Dai, Meixing, 2011. "Quantitative and credit easing policies at the zero lower bound on the nominal interest rate," MPRA Paper 28129, University Library of Munich, Germany.
    12. Hasui, Kohei & Teranishi, Yuki, 2025. "Optimal monetary policy in a liquidity trap: Evaluations for Japan’s monetary policy," Journal of the Japanese and International Economies, Elsevier, vol. 76(C).
    13. repec:csg:ajrcwp:04 is not listed on IDEAS
    14. Daisuke Ida & Hirokuni Iiboshi, 2021. "The international forward guidance transmission under a global liquidity trap," Papers 2103.12503, arXiv.org, revised Aug 2024.
    15. Eiji Okano & Masataka Eguchi, 2024. "The Effects of a Money-Financed Fiscal Stimulus in a Small Open Economy," IMF Economic Review, Palgrave Macmillan;International Monetary Fund, vol. 72(3), pages 1212-1237, September.
    16. David Cook & James Yetman, 2014. "Currency Boards when Interest Rates are Zero," Pacific Economic Review, Wiley Blackwell, vol. 19(1), pages 135-151, February.
    17. Hasui, Kohei, 2013. "The non-negative constraint on the nominal interest rate and the effects of monetary policy," MPRA Paper 49394, University Library of Munich, Germany.

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