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

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

Abstract

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 portfolio -- 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 of two observed forces: a) potential growth differentials among different regions of the world and, b) heterogeneity in these regions' capacity to generate financial 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. Unlike the conventional wisdom, in the absence of a large change in (a) or (b), our model does not augur any catastrophic event. More generally, the framework is flexible enough to shed light on a range of scenarios in a global equilibrium environment.

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Bibliographic Info

Paper provided by National Bureau of Economic Research, Inc in its series NBER Working Papers with number 11996.

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Date of creation: Feb 2006
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Publication status: published as Caballero, Ricardo, Emmanuel Farhi and Pierre-Olivier Gourinchas. “An Equilibrium Model of Global Imbalances and Low Interest Rates." American Economic Review 98, 1 (March 2008).
Handle: RePEc:nbr:nberwo:11996

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  1. 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.
  2. 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.
  3. Kenneth Rogoff & William Brainard & George Perry, . "Global Current Account Imbalances and Exchange Rate Adjustments," Working Paper 33687, Harvard University OpenScholar.
  4. Philip Lane & Gian Maria Milesi-Ferretti, 2005. "A Global Perspective on External Positions," The Institute for International Integration Studies Discussion Paper Series iiisdp079, IIIS.
  5. David Weinstein & Christian Broda, 2004. "Globalization and the Gains from Variety," 2004 Meeting Papers 530, Society for Economic Dynamics.
  6. 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.).
  7. 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.
  8. 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.
  9. 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.
  10. Ricardo J. Caballero & Emmanuel Farhi & Pierre-Olivier Gourinchas, 2008. "An Equilibrium Model of "Global Imbalances" and Low Interest Rates," American Economic Review, American Economic Association, vol. 98(1), pages 358-93, March.
  11. Richard H. Clarida, 2007. "G7 Current Account Imbalances: Sustainability and Adjustment," NBER Books, National Bureau of Economic Research, Inc, number clar06-2, October.
  12. Richard N. Cooper, 2005. "Living with Global Imbalances: A Contrarian View," Policy Briefs PB05-03, Peterson Institute for International Economics.
  13. Gourinchas, Pierre-Olivier & Rey, Hélène, 2005. "From World Banker to World Venture Capitalist: US External Adjustment and The Exorbitant Privilege," CEPR Discussion Papers 5220, C.E.P.R. Discussion Papers.
  14. Kim, Soyoung & Roubini, Nouriel, 2008. "Twin deficit or twin divergence? Fiscal policy, current account, and real exchange rate in the U.S," Journal of International Economics, Elsevier, vol. 74(2), pages 362-383, March.
  15. Olivier Blanchard & Francesco Giavazzi & Filipa Sa, 2005. "The U.S. Current Account and the Dollar," NBER Working Papers 11137, National Bureau of Economic Research, Inc.
  16. 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.
  17. repec:fip:fedgsq:y:2005:i:mar10 is not listed on IDEAS
  18. 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.
  19. Gilbert,Christopher L. & Vines,David (ed.), 2006. "The World Bank," Cambridge Books, Cambridge University Press, number 9780521029018.
  20. repec:tcd:wpaper:tep16 is not listed on IDEAS
  21. Cavallo, Eduardo A. & Frankel, Jeffrey A., 2008. "Does openness to trade make countries more vulnerable to sudden stops, or less? Using gravity to establish causality," Journal of International Money and Finance, Elsevier, vol. 27(8), pages 1430-1452, December.
  22. 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.
  23. 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.
  24. William R. Cline, 2005. "United States as a Debtor Nation, The," Peterson Institute Press: All Books, Peterson Institute for International Economics, number 3993.
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Blog mentions

As found by EconAcademics.org, the blog aggregator for Economics research:
  1. Global imbalances and sliding dollar, is the US doomed?
    by Economic Logician in Economic Logic on 2008-03-14 18:33:00
  2. Global Imbalances: Links to Economic and Financial Stability
    by Guest Author in the big picture on 2011-02-21 15:09:05
  3. The most important Budget number
    by chris dillow in Stumbling and Mumbling on 2009-04-22 16:51:13
  4. Another case for plan B
    by chris dillow in Stumbling and Mumbling on 2011-07-27 13:31:10
  5. Was fiscal policy too tight in the boom?
    by chris dillow in Stumbling and Mumbling on 2009-11-23 14:54:34
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