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Exchange Rate Misalignment, Capital Flows, and Optimal Monetary Policy Trade-offs

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  • Corsetti, Giancarlo
  • Dedola, Luca
  • Leduc, Sylvain

Abstract

What determines the optimal monetary trade-off between internal objectives (inflation, and output gap) and external objectives (competitiveness and trade imbalances) when inefficient capital flows cause exchange rate misalignment and distort current account positions? We characterize this trade-off analytically, using the workhorse model of modern monetary theory in open economies under incomplete markets–where inefficient capital flows and exchange rate misalignments can arise independently of nominal distortions. We derive a quadratic approximation of the utility-based global policy loss function under fairly general assumptions on preferences and openness, and solve for the optimal targeting rules under co- operation. We show that, in economies with a low degree of exchange rate pass-through, the optimal response to inefficient capital inflows associated with real appreciation is contractionary, above and beyond the natural rate: the optimal policy curbs excessive demand at the cost of exacerbating currency overvaluation. In contrast, a high degree of pass-through, and/or low trade elasticities, warrants expansionary policies that lean against exchange rate appreciation and competitive losses, at the cost of inefficient inflation.

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  • Corsetti, Giancarlo & Dedola, Luca & Leduc, Sylvain, 2018. "Exchange Rate Misalignment, Capital Flows, and Optimal Monetary Policy Trade-offs," CEPR Discussion Papers 12850, C.E.P.R. Discussion Papers.
  • Handle: RePEc:cpr:ceprdp:12850
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    2. Yin-Wong Cheung & Sven Steinkamp & Frank Westermann, 2020. "A Tale of Two Surplus Countries: China and Germany," Open Economies Review, Springer, vol. 31(1), pages 131-158, February.
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    6. Ṣebnem Kalemli-Özcan, 2019. "U.S. Monetary Policy and International Risk Spillovers," NBER Working Papers 26297, National Bureau of Economic Research, Inc.

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    More about this item

    Keywords

    asset markets and risk sharing; Currency misalignments; exchange rate pass-through; international policy cooperation; optimal targeting rules; trade imbalances;
    All these keywords.

    JEL classification:

    • E44 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Financial Markets and the Macroeconomy
    • E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy
    • E61 - Macroeconomics and Monetary Economics - - Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General Outlook - - - Policy Objectives; Policy Designs and Consistency; Policy Coordination
    • F41 - International Economics - - Macroeconomic Aspects of International Trade and Finance - - - Open Economy Macroeconomics
    • F42 - International Economics - - Macroeconomic Aspects of International Trade and Finance - - - International Policy Coordination and Transmission

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