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An Equilibrium Model of "Global Imbalances" and Low Interest Rates

  • Caballero, Ricardo J.
  • Farhi, Emmanuel
  • Gourinchas, Pierre-Olivier

Three of the most important recent facts in global macroeconomics — the sustained rise in the US current account deficit, the stubborn decline in long run real rates, and the rise in the share of US assets in global portfolios — appear as anomalies from the perspective of conventional wisdom and models. Instead, in this paper we provide a model that rationalizes these facts as an equilibrium outcome stemming from the heterogenity in different regions of the world in their capacity to generate ï¬nancial assets from real investments. In extensions of the basic model, we also generate exchange rate and FDI excess returns which are broadly consistent with the recent trends in these variables. Beyond the specific sequence of events that motivate our analysis, the framework is flexible enough to shed light on a range of scenarios in a global equilibrium environment.

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Paper provided by Harvard University Department of Economics in its series Scholarly Articles with number 3229094.

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Date of creation: 2008
Date of revision:
Publication status: Published in American Economic Review
Handle: RePEc:hrv:faseco:3229094
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  1. Caballero, Ricardo & Farhi, Emmanuel & Gourinchas, Pierre-Olivier, 2006. "An Equilibrium Model of 'Global Imbalances' and Low Interest Rates," CEPR Discussion Papers 5573, C.E.P.R. Discussion Papers.
  2. Martin Feldstein, 2005. "Monetary Policy in a Changing International Environment: The Role of Global Capital Flows," NBER Working Papers 11856, National Bureau of Economic Research, Inc.
  3. Ricardo Caballero & Emmanuel Farhi & Mohamad L. Hammour, 2004. "Speculative Growth: Hints from the US Economy," NBER Working Papers 10518, National Bureau of Economic Research, Inc.
  4. Michael Dooley & David Folkerts-Landau & Peter Garber, 2005. "An essay on the revived Bretton Woods system," Proceedings, Federal Reserve Bank of San Francisco, issue Feb.
  5. Soyoung Kim & Nouriel Roubini, 2004. "Twin Deficit or Twin Divergence? Fiscal Policy, Current Account, and Real Exchange Rate in the US," Econometric Society 2004 North American Winter Meetings 271, Econometric Society.
  6. Menzie Chinn & Jeffrey A. Frankel, 2007. "Will the Euro Eventually Surpass the Dollar as Leading International Reserve Currency?," NBER Chapters, in: G7 Current Account Imbalances: Sustainability and Adjustment, pages 283-338 National Bureau of Economic Research, Inc.
  7. Jiandong Ju & Shang-Jin Wei, 2006. "A Solution to Two Paradoxes of International Capital Flows," NBER Working Papers 12668, National Bureau of Economic Research, Inc.
  8. Richard N. Cooper, 2005. "Living with Global Imbalances: A Contrarian View," Policy Briefs PB05-03, Peterson Institute for International Economics.
  9. Philip R. Lane & Gian Maria Milesi-Ferretti, 2005. "A Global Perspective on External Positions," NBER Working Papers 11589, National Bureau of Economic Research, Inc.
  10. Jeffrey A. Frankel & Eduardo A. Cavallo, 2004. "Does Openness to Trade Make Countries More Vulnerable to Sudden Stops, Or Less? Using Gravity to Establish Causality," NBER Working Papers 10957, National Bureau of Economic Research, Inc.
  11. Chinn, Menzie D. & Ito, Hiro, 2007. "Current account balances, financial development and institutions: Assaying the world "saving glut"," Journal of International Money and Finance, Elsevier, vol. 26(4), pages 546-569, June.
  12. Mendoza, Enrique G & Quadrini, Vincenzo & Ríos-Rull, José-Víctor, 2007. "Financial Integration, Financial Deepness and Global Imbalances," CEPR Discussion Papers 6149, C.E.P.R. Discussion Papers.
  13. Pierre-Olivier Gourinchas & Hélène Rey, 2005. "From World Banker to World Venture Capitalist: US External Adjustment and the Exorbitant Privilege," NBER Working Papers 11563, National Bureau of Economic Research, Inc.
  14. David Weinstein & Christian Broda, 2004. "Globalization and the Gains from Variety," 2004 Meeting Papers 530, Society for Economic Dynamics.
  15. repec:tcd:wpaper:tep16 is not listed on IDEAS
  16. Sebastian Edwards, 2005. "Is the U.S. Current Account Deficit Sustainable? And If Not, How Costly is Adjustment Likely To Be?," NBER Working Papers 11541, National Bureau of Economic Research, Inc.
  17. Ricardo J. Caballero & Arvind Krishnamurthy, 2005. "Bubbles and Capital Flow Volatility: Causes and Risk Management," NBER Working Papers 11618, National Bureau of Economic Research, Inc.
  18. repec:cup:cbooks:9780521029018 is not listed on IDEAS
  19. Kenneth Rogoff & William Brainard & George Perry, . "Global Current Account Imbalances and Exchange Rate Adjustments," Working Paper 33687, Harvard University OpenScholar.
  20. Ben S. Bernanke, 2005. "The global saving glut and the U.S. current account deficit," Speech 77, Board of Governors of the Federal Reserve System (U.S.).
  21. Blanchard, Olivier & Giavazzi, Francesco & Sá, Filipa, 2005. "The US Current Account and the Dollar," CEPR Discussion Papers 4888, C.E.P.R. Discussion Papers.
  22. Richard H. Clarida, 2007. "G7 Current Account Imbalances: Sustainability and Adjustment," NBER Books, National Bureau of Economic Research, Inc, number clar06-2, October.
  23. William R. Cline, 2005. "United States as a Debtor Nation, The," Peterson Institute Press: All Books, Peterson Institute for International Economics, number 3993, May.
  24. repec:fip:fedgsq:y:2005:i:mar10 is not listed on IDEAS
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