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Optimal Foreign Reserves and Central Bank Policy Under Financial Stress

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  • Luis Felipe Céspedes
  • Roberto Chang

Abstract

We study the interaction between optimal foreign reserves accumulation and central bank international liquidity provision in a small open economy under financial stress. Firms and households finance investment and consumption by borrowing from domestic financial intermediaries (banks), which in turn borrow from abroad. Binding financial constraints can cause the domestic rate of interest to rise above the world rate and the real exchange rate to depreciate, leading to inefficiently low investment and consumption. A role then emerges for a central bank that accumulates reserves in order to provide liquidity if financial frictions bind. The optimal level of international reserves in this context depends, among other variables, on the term premium, the depth of financial markets, ex ante financial uncertainty and the precise way the central bank intervenes. The model is consistent with both the increase in international reserves observed during the period 2004-2008 and with policy intervention after the Lehman bankruptcy.

Suggested Citation

  • Luis Felipe Céspedes & Roberto Chang, 2020. "Optimal Foreign Reserves and Central Bank Policy Under Financial Stress," NBER Working Papers 27923, National Bureau of Economic Research, Inc.
    • Handle: RePEc:nbr:nberwo:27923
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    Cited by:

    1. Jeanne, Olivier & Sandri, Damiano, 2023. "Global financial cycle and liquidity management," Journal of International Economics, Elsevier, vol. 146(C).
    2. MARKOVIĆ Milan & MARJANOVIĆ Ivana, 2022. "Vulnerability To The Currency Crisis: The Case Of Serbia," Management of Sustainable Development, Lucian Blaga University of Sibiu, Faculty of Economic Sciences, vol. 14(2), pages 17-21, December.
    3. J. Scott Davis & Michael B. Devereux & Changhua Yu, 2020. "Sudden Stops in Emerging Economies: The Role of World Interest Rates and Foreign Exchange Intervention," Globalization Institute Working Papers 405, Federal Reserve Bank of Dallas, revised 10 Sep 2021.
    4. Davis, J. Scott & Devereux, Michael B. & Yu, Changhua, 2023. "Sudden stops and optimal foreign exchange intervention," Journal of International Economics, Elsevier, vol. 141(C).
    5. Samano, Agustin, 2022. "International reserves and central bank independence," Journal of International Economics, Elsevier, vol. 139(C).
    6. Masuda, Kazuto, 2024. "The Special Theory of Employment, Exchange Rate, and Money With the Focus on Inflation and Technological Progress," SocArXiv nxshd, Center for Open Science.

    More about this item

    JEL classification:

    • E5 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit
    • F3 - International Economics - - International Finance
    • F4 - International Economics - - Macroeconomic Aspects of International Trade and Finance

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