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Portfolio Home Bias and External Habit Formation

  • Andreas Stathopoulos

    (University of Southern California)

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    This paper explores international portfolio choice in a multi-country, multi-good general equilibrium setting which features time-varying risk aversion generated by external habit formation. It is shown that time variation in conditional risk aversion generates time variation in the countries' relative consumption expenditure. As a result, financing equilibrium consumption entails hedging against adverse fluctuations in risk aversion. In equilibrium, an increase in home risk aversion tends to appreciate the home equity and depreciate the foreign equity, so each agent hedges by shifting her equity portfolio towards the home equity claim. Furthermore, the model is able to generate realistic asset price and exchange rate dynamics, satisfying a long-standing need of the general equilibrium literature in international finance.

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    File URL: https://www.economicdynamics.org/meetpapers/2012/paper_502.pdf
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    Paper provided by Society for Economic Dynamics in its series 2012 Meeting Papers with number 502.

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    Date of creation: 2012
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    Handle: RePEc:red:sed012:502
    Contact details of provider: Postal: Society for Economic Dynamics Christian Zimmermann Economic Research Federal Reserve Bank of St. Louis PO Box 442 St. Louis MO 63166-0442 USA
    Fax: 1-314-444-8731
    Web page: http://www.EconomicDynamics.org/society.htm
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    1. Stockman, Alan C. & Dellas, Harris, 1989. "International portfolio nondiversification and exchange rate variability," Journal of International Economics, Elsevier, vol. 26(3-4), pages 271-289, May.
    2. Maurice J. Roche & Michael J. Moore, 2007. "Solving Exchange Rate Puzzles with neither Sticky Prices nor Trade Costs," Economics, Finance and Accounting Department Working Paper Series n1750507, Department of Economics, Finance and Accounting, National University of Ireland - Maynooth.
    3. Bekaert, Geert & Engstrom, Eric & Xing, Yuhang, 2006. "Risk, Uncertainty and Asset Prices," CEPR Discussion Papers 5947, C.E.P.R. Discussion Papers.
    4. Hanno Lustig & Adrien Verdelhan, 2007. "The Cross Section of Foreign Currency Risk Premia and Consumption Growth Risk," American Economic Review, American Economic Association, vol. 97(1), pages 89-117, March.
    5. Nicolas Coeurdacier & Robert Kollmann & Philippe Martin, 2009. "International portfolios, capital accumulation and foreign assets dynamics," Globalization and Monetary Policy Institute Working Paper 27, Federal Reserve Bank of Dallas.
    6. Maurice Obstfeld & Kenneth Rogoff, 2001. "The Six Major Puzzles in International Macroeconomics: Is There a Common Cause?," NBER Chapters, in: NBER Macroeconomics Annual 2000, Volume 15, pages 339-412 National Bureau of Economic Research, Inc.
    7. Farhi, Emmanuel & Gabaix, Xavier, 2015. "Rare Disasters and Exchange Rates," CEPR Discussion Papers 10334, C.E.P.R. Discussion Papers.
    8. Adrien Verdelhan, 2006. "A Habit-Based Explanation of the Exchange Rate Risk Premium," Boston University - Department of Economics - Working Papers Series WP2006-047, Boston University - Department of Economics.
    9. Robert Kollmann, 2006. "A Dynamic Equilibrium Model of International Portfolio Holdings: Comment," Econometrica, Econometric Society, vol. 74(1), pages 269-273, 01.
    10. Riccardo Colacito & Mariano Croce, 2005. "Risks For The Long Run And The Real Exchange Rate," 2005 Meeting Papers 794, Society for Economic Dynamics.
    11. Emmanuel Farhi, 2008. "Rare Disasters and Exchange Rates," 2008 Meeting Papers 47, Society for Economic Dynamics.
    12. Kollmann, Robert, 2006. "International Portfolio Equilibrium and the Current Account," CEPR Discussion Papers 5512, C.E.P.R. Discussion Papers.
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