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A Theory of Foreign Exchange Interventions

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Abstract
We study a real small open economy with two key ingredients: (i) partial segmentation of home and foreign bond markets and (ii) a pecuniary externality that makes the real exchange rate excessively volatile in response to capital flows. Partial segmentation implies that, by intervening in the bond markets, the central bank can affect the exchange rate and the spread between home- and foreign-bond yields. Such interventions allow the central bank to address the pecuniary externality, but they are also costly, as foreigners make carry-trade profits. We analytically characterize the optimal intervention policy that solves this trade-off: (a) the optimal policy leans against the wind, stabilizing the exchange rate; (b) it involves smooth spreads but allows exchange rates to jump; (c) it partly relies on “forward guidance”, with non-zero interventions even after the shock has subsided; (d) it requires credibility, in that central banks do not intervene without commitment. Finally, we shed light on the global consequences of widespread interventions, using a multi-country extension of our model. We find that, left to themselves, countries over-accumulate reserves, reducing welfare and leading to inefficiently low world interest rates.

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  • Sebastián Fanelli & Ludwig Straub, 2020. "A Theory of Foreign Exchange Interventions," Working Papers wp2020_2019, CEMFI.
    • Handle: RePEc:cmf:wpaper:wp2020_2019
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    1. Jaromir Benes & Andrew Berg & Rafael Portillo & David Vavra, 2015. "Modeling Sterilized Interventions and Balance Sheet Effects of Monetary Policy in a New-Keynesian Framework," Open Economies Review, Springer, vol. 26(1), pages 81-108, February.
    2. Jonathan Heathcote & Fabrizio Perri, 2016. "On the Desirability of Capital Controls," IMF Economic Review, Palgrave Macmillan;International Monetary Fund, vol. 64(1), pages 75-102, May.
    3. Javier Bianchi, 2011. "Overborrowing and Systemic Externalities in the Business Cycle," American Economic Review, American Economic Association, vol. 101(7), pages 3400-3426, December.
    4. Marco Del Negro & Marc P. Giannoni & Christina Patterson, 2023. "The Forward Guidance Puzzle," Journal of Political Economy Macroeconomics, University of Chicago Press, vol. 1(1), pages 43-79.
    5. Alfaro, Laura & Kanczuk, Fabio, 2009. "Optimal reserve management and sovereign debt," Journal of International Economics, Elsevier, vol. 77(1), pages 23-36, February.
    6. Manuel Amador & Javier Bianchi & Luigi Bocola & Fabrizio Perri, 2020. "Exchange Rate Policies at the Zero Lower Bound," The Review of Economic Studies, Review of Economic Studies Ltd, vol. 87(4), pages 1605-1645.
    7. Hanno Lustig & Nikolai Roussanov & Adrien Verdelhan, 2011. "Common Risk Factors in Currency Markets," The Review of Financial Studies, Society for Financial Studies, vol. 24(11), pages 3731-3777.
    8. repec:bla:scandj:v:78:y:1976:i:2:p:280-304 is not listed on IDEAS
    9. Pierre-Olivier Gourinchas & Olivier Jeanne, 2013. "Capital Flows to Developing Countries: The Allocation Puzzle," The Review of Economic Studies, Review of Economic Studies Ltd, vol. 80(4), pages 1484-1515.
    10. Benigno, Gianluca & Fornaro, Luca & Wolf, Martin, 2022. "Reserve accumulation, growth and financial crises," Journal of International Economics, Elsevier, vol. 139(C).
    11. Guillermo A. Calvo & Carmen M. Reinhart, 2002. "Fear of Floating," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 117(2), pages 379-408.
    12. Olivier Jeanne, 2013. "Capital Account Policies and the Real Exchange Rate," NBER International Seminar on Macroeconomics, University of Chicago Press, vol. 9(1), pages 7-42.
    13. Madhusudan Mohanty & Bat-el Berger, 2013. "Central bank views on foreign exchange intervention," BIS Papers chapters, in: Bank for International Settlements (ed.), Sovereign risk: a world without risk-free assets?, volume 73, pages 55-74, Bank for International Settlements.
    14. Ostry, Jonathan D. & Ghosh, Atish R. & Chamon, Marcos & Qureshi, Mahvash S., 2012. "Tools for managing financial-stability risks from capital inflows," Journal of International Economics, Elsevier, vol. 88(2), pages 407-421.
    15. Pierre-Olivier Gourinchas & Olivier Jeanne, 2013. "Capital Flows to Developing Countries: The Allocation Puzzle," Review of Economic Studies, Oxford University Press, vol. 80(4), pages 1484-1515.
    16. Chari, V.V. & Kehoe, Patrick J., 1999. "Optimal fiscal and monetary policy," Handbook of Macroeconomics, in: J. B. Taylor & M. Woodford (ed.), Handbook of Macroeconomics, edition 1, volume 1, chapter 26, pages 1671-1745, Elsevier.
    17. Nicolas Magud & Carmen Reinhart & Kenneth Rogoff, 2005. "Capital Controls: Myth and Reality A Portfolio Balance Approach to Capital Controls," University of Oregon Economics Department Working Papers 2006-10, University of Oregon Economics Department.
    18. Gustavo Adler & Mr. Camilo E Tovar Mora, 2011. "Foreign Exchange Intervention: A Shield Against Appreciation Winds?," IMF Working Papers 2011/165, International Monetary Fund.
    19. Arnaud Costinot & Guido Lorenzoni & Iván Werning, 2014. "A Theory of Capital Controls as Dynamic Terms-of-Trade Manipulation," Journal of Political Economy, University of Chicago Press, vol. 122(1), pages 77-128.
    20. Javier Bianchi & Juan Carlos Hatchondo & Leonardo Martinez, 2018. "International Reserves and Rollover Risk," American Economic Review, American Economic Association, vol. 108(9), pages 2629-2670, September.
    21. Kearns, Jonathan & Rigobon, Roberto, 2005. "Identifying the efficacy of central bank interventions: evidence from Australia and Japan," Journal of International Economics, Elsevier, vol. 66(1), pages 31-48, May.
    22. Nicolas Coeurdacier & Stéphane Guibaud & Keyu Jin, 2015. "Credit Constraints and Growth in a Global Economy," American Economic Review, American Economic Association, vol. 105(9), pages 2838-2881, September.
    23. Nicolas E. Magud & Carmen M. Reinhart & Kenneth S. Rogoff, 2018. "Capital Controls: Myth and Reality--A Portfolio Balance Approach," Annals of Economics and Finance, Society for AEF, vol. 19(1), pages 1-47, May.
    24. Matías Tapia & Andrea Tokman, 2004. "Effects of Foreign Exchange Intervention under Public Information: The Chilean Case," Economía Journal, The Latin American and Caribbean Economic Association - LACEA, vol. 0(Spring 20), pages 215-256, January.
    25. J. A. Mirrlees, 1971. "An Exploration in the Theory of Optimum Income Taxation," The Review of Economic Studies, Review of Economic Studies Ltd, vol. 38(2), pages 175-208.
    26. Branson, William H. & Henderson, Dale W., 1985. "The specification and influence of asset markets," Handbook of International Economics, in: R. W. Jones & P. B. Kenen (ed.), Handbook of International Economics, edition 1, volume 2, chapter 15, pages 749-805, Elsevier.
    27. Roberto Chang & Andrés Velasco, 2017. "Financial Frictions and Unconventional Monetary Policy in Emerging Economies," IMF Economic Review, Palgrave Macmillan;International Monetary Fund, vol. 65(1), pages 154-191, April.
    28. Lucas, Robert Jr. & Stokey, Nancy L., 1983. "Optimal fiscal and monetary policy in an economy without capital," Journal of Monetary Economics, Elsevier, vol. 12(1), pages 55-93.
    29. Charles Engel, 2016. "Exchange Rates, Interest Rates, and the Risk Premium," American Economic Review, American Economic Association, vol. 106(2), pages 436-474, February.
    30. Xavier Gabaix & Matteo Maggiori, 2015. "International Liquidity and Exchange Rate Dynamics," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 130(3), pages 1369-1420.
    31. Matías Tapia & Andrea Tokman, 2004. "Effects of Foreign Exchange Intervention under Public Information: The Chilean Case," Economía Journal, The Latin American and Caribbean Economic Association - LACEA, vol. 0(Spring 20), pages 215-256, January.
    32. Mark Aguiar & Manuel Amador, 2011. "Growth in the Shadow of Expropriation," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 126(2), pages 651-697.
    33. Barro, Robert J, 1979. "On the Determination of the Public Debt," Journal of Political Economy, University of Chicago Press, vol. 87(5), pages 940-971, October.
    34. Kenen, Peter B, 1987. "Exchange Rate Management: What Role for Intervention?," American Economic Review, American Economic Association, vol. 77(2), pages 194-199, May.
    35. Ronald McKinnon & Gunther Schnabl, 2006. "The East Asian Dollar Standard, Fear of Floating, and Original Sin," Chapters, in: Volbert Alexander & Hans-Helmut Kotz (ed.), Global Divergence in Trade, Money and Policy, chapter 3, pages 45-71, Edward Elgar Publishing.
    36. Andrés Fernández & Michael W Klein & Alessandro Rebucci & Martin Schindler & Martín Uribe, 2016. "Capital Control Measures: A New Dataset," IMF Economic Review, Palgrave Macmillan;International Monetary Fund, vol. 64(3), pages 548-574, August.
    37. Fernando Alvarez & Andrew Atkeson & Patrick J. Kehoe, 2009. "Time-Varying Risk, Interest Rates, and Exchange Rates in General Equilibrium," The Review of Economic Studies, Review of Economic Studies Ltd, vol. 76(3), pages 851-878.
    38. Olivier Blanchard & Gustavo Adler & Irineu de Carvalho Filho, 2015. "Can Foreign Exchange Intervention Stem Exchange Rate Pressures from Global Capital Flow Shocks?," Working Paper Series WP15-18, Peterson Institute for International Economics.
    39. Zheng Liu & Mark M Spiegel, 2015. "Optimal Monetary Policy and Capital Account Restrictions in a Small Open Economy," IMF Economic Review, Palgrave Macmillan;International Monetary Fund, vol. 63(2), pages 298-324, September.
    40. Ricardo J Caballero & Emmanuel Farhi, 2018. "The Safety Trap," The Review of Economic Studies, Review of Economic Studies Ltd, vol. 85(1), pages 223-274.
    41. Joshua Aizenman & Jaewoo Lee, 2007. "International Reserves: Precautionary Versus Mercantilist Views, Theory and Evidence," Open Economies Review, Springer, vol. 18(2), pages 191-214, April.
    42. Korinek, Anton & Servén, Luis, 2016. "Undervaluation through foreign reserve accumulation: Static losses, dynamic gains," Journal of International Money and Finance, Elsevier, vol. 64(C), pages 104-136.
    43. Ivan Werning, 2011. "Managing a Liquidity Trap: Monetary and Fiscal Policy," 2011 Meeting Papers 1435, Society for Economic Dynamics.
    44. Lane, Philip R. & Milesi-Ferretti, Gian Maria, 2007. "The external wealth of nations mark II: Revised and extended estimates of foreign assets and liabilities, 1970-2004," Journal of International Economics, Elsevier, vol. 73(2), pages 223-250, November.
    45. Calvo, Guillermo A, 1988. "Servicing the Public Debt: The Role of Expectations," American Economic Review, American Economic Association, vol. 78(4), pages 647-661, September.
    46. Kuersteiner, Guido M. & Phillips, David C. & Villamizar-Villegas, Mauricio, 2018. "Effective sterilized foreign exchange intervention? Evidence from a rule-based policy," Journal of International Economics, Elsevier, vol. 113(C), pages 118-138.
    47. Paolo Cavallino, 2019. "Capital Flows and Foreign Exchange Intervention," American Economic Journal: Macroeconomics, American Economic Association, vol. 11(2), pages 127-170, April.
    48. Devereux, Michael B. & Yetman, James, 2014. "Globalisation, pass-through and the optimal policy response to exchange rates," Journal of International Money and Finance, Elsevier, vol. 49(PA), pages 104-128.
    49. Hur, Sewon & Kondo, Illenin O., 2016. "A theory of rollover risk, sudden stops, and foreign reserves," Journal of International Economics, Elsevier, vol. 103(C), pages 44-63.
    50. Lane, Philip & Milesi-Ferretti, Gian Maria, "undated". "External Wealth of Nations," Instructional Stata datasets for econometrics extwealth, Boston College Department of Economics.
    51. Kohlscheen, Emanuel & Andrade, Sandro C., 2014. "Official FX interventions through derivatives," Journal of International Money and Finance, Elsevier, vol. 47(C), pages 202-216.
    52. Chamon, Marcos & Garcia, Márcio & Souza, Laura, 2017. "FX interventions in Brazil: A synthetic control approach," Journal of International Economics, Elsevier, vol. 108(C), pages 157-168.
    53. Backus, David K. & Kehoe, Patrick J., 1989. "On the denomination of government debt : A critique of the portfolio balance approach," Journal of Monetary Economics, Elsevier, vol. 23(3), pages 359-376, May.
    54. Maurice Obstfeld, 2013. "The International Monetary System: Living with Asymmetry," NBER Chapters, in: Globalization in an Age of Crisis: Multilateral Economic Cooperation in the Twenty-First Century, pages 301-336, National Bureau of Economic Research, Inc.
    55. repec:hal:spmain:info:hdl:2441/169d87l3e88rpoi5e1tgckfi6a is not listed on IDEAS
    56. Gauti B. Eggertsson & Michael Woodford, 2003. "The Zero Bound on Interest Rates and Optimal Monetary Policy," Brookings Papers on Economic Activity, Economic Studies Program, The Brookings Institution, vol. 34(1), pages 139-235.
    57. Gita Gopinath & Jeremy C. Stein, 2018. "Trade Invoicing, Bank Funding, and Central Bank Reserve Holdings," AEA Papers and Proceedings, American Economic Association, vol. 108, pages 542-546, May.
    58. Emmanuel Farhi & Ivan Werning, 2012. "Dealing with the Trilemma: Optimal Capital Controls with Fixed Exchange Rates," NBER Working Papers 18199, National Bureau of Economic Research, Inc.
    59. Andrés Fernández & Michael W Klein & Alessandro Rebucci & Martin Schindler & Martín Uribe, 2016. "Capital Control Measures: A New Dataset," IMF Economic Review, Palgrave Macmillan;International Monetary Fund, vol. 64(3), pages 548-574, August.
    60. McKinnon, Ronald I., 2004. "The East Asian dollar standard," China Economic Review, Elsevier, vol. 15(3), pages 325-330.
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    More about this item

    Keywords

    foreign exchange interventions; limited capital mobility; reserves; coordination.;
    All these keywords.

    JEL classification:

    • F31 - International Economics - - International Finance - - - Foreign Exchange
    • F32 - International Economics - - International Finance - - - Current Account Adjustment; Short-term Capital Movements
    • 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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