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An equilibrium model of 'global imbalances' revisited

  • Körner, Finn Marten

Global imbalances are almost universally regarded as a disequilibrium phenomenon. Caballero, Farhi, and Gourinchas (2008) challenge this notion with their dynamic general equilibrium model of global imbalances. The authors conclude that current account deficit nations need not worry about long-lasting deficits as long as the model is in equilibrium. The joint model in this paper combines the two model extensions for exchange rates and FDI which are disjunct in the original model. An analytical solution to the new joint model is neither as straightforward as for the separate models nor can previous results from calibrated simulation be confirmed without restriction. The model is highly dependent on parameter assumptions: A variation of calibrated parameters highlights the prime impact of investment costs previously assumed away. Sustainable equilibrium paths for global imbalances are much narrower in updated simulations than previously predicted. Policy recommendations on the sustainability of international debt holdings therefore need to be a lot more cautious.

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Paper provided by Promotionsschwerpunkt "Globalisierung und Beschaeftigung" in its series Violette Reihe Arbeitspapiere with number 33/2011.

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Date of creation: Jul 2011
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Handle: RePEc:zbw:hohpro:332011
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  1. Ricardo J Caballero & Emmanuel Farhi & Pierre-Olivier Gourinchas, 2006. "An equilibrum model of "global imbalances" and low interest rates," BIS Working Papers 222, Bank for International Settlements.
  2. Aizenman, Joshua & Sun, Yi, 2008. "Globalization and the Sustainability of Large Current Account Imbalances: Size Matters," Santa Cruz Department of Economics, Working Paper Series qt2bs193w4, Department of Economics, UC Santa Cruz.
  3. Gourinchas, Pierre-Olivier & Rey, Hélène, 2005. "International Financial Adjustment," Center for International and Development Economics Research, Working Paper Series qt124628cx, Center for International and Development Economics Research, Institute for Business and Economic Research, UC Berkeley.
  4. Tobin, James, 1969. "A General Equilibrium Approach to Monetary Theory," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 1(1), pages 15-29, February.
  5. Michael Dooley & David Folkerts-Landau & Peter Garber, 2009. "Bretton Woods Ii Still Defines The International Monetary System," Pacific Economic Review, Wiley Blackwell, vol. 14(3), pages 297-311, 08.
  6. Michael P. Dooley & David Folkerts-Landau & Peter Garber, 2003. "An Essay on the Revived Bretton Woods System," NBER Working Papers 9971, National Bureau of Economic Research, Inc.
  7. Yin‐Wong Cheung & Guonan Ma & Robert N. McCauley, 2011. "Renminbising China'S Foreign Assets," Pacific Economic Review, Wiley Blackwell, vol. 16(1), pages 1-17, 02.
  8. Ricardo J. Caballero, 2010. "Macroeconomics after the Crisis: Time to Deal with the Pretense-of-Knowledge Syndrome," NBER Working Papers 16429, National Bureau of Economic Research, Inc.
  9. Martin Feldstein & Charles Horioka, 1979. "Domestic Savings and International Capital Flows," NBER Working Papers 0310, National Bureau of Economic Research, Inc.
  10. Barro, Robert J., 1974. "Are Government Bonds Net Wealth?," Scholarly Articles 3451399, Harvard University Department of Economics.
  11. Pierre-Olivier Gourinchas & Helene Rey & Nicolas Govillot, 2010. "Exorbitant Privilege and Exorbitant Duty," IMES Discussion Paper Series 10-E-20, Institute for Monetary and Economic Studies, Bank of Japan.
  12. Niall Ferguson & Moritz Schularick, 2011. "The End of Chimerica," International Finance, Wiley Blackwell, vol. 14(1), pages 1-26, 04.
  13. John V. Duca, 1997. "Has long-run profitability risen in the 1990s," Economic and Financial Policy Review, Federal Reserve Bank of Dallas, issue Q IV, pages 2-14.
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