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Portfolio Home Bias and External Habit Formation

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  • Andreas Stathopoulos

    (University of Southern California)

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    Abstract

    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: http://www.economicdynamics.org/meetpapers/2012/paper_502.pdf
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    Bibliographic Info

    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

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    1. 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.
    2. Coeurdacier, Nicolas & Kollmann, Robert & Martin, Philippe, 2008. "International Portfolios, Capital Accumulation and Foreign Assets Dynamics," CEPR Discussion Papers 6902, C.E.P.R. Discussion Papers.
    3. Moore, Michael J. & Roche, Maurice J., 2010. "Solving exchange rate puzzles with neither sticky prices nor trade costs," Journal of International Money and Finance, Elsevier, vol. 29(6), pages 1151-1170, October.
    4. Lustig, H. & Verdelhan, A., 2006. "The Cross-Section of Foreign Currency Risk Premia and Consumption Growth Risk," Working papers 155, Banque de France.
    5. Obstfeld, Maurice & Rogoff, Kenneth, 2000. "The Six Major Puzzles in International Macroeconomics: Is There a Common Cause?," Center for International and Development Economics Research, Working Paper Series qt0sx02651, Center for International and Development Economics Research, Institute for Business and Economic Research, UC Berkeley.
    6. Riccardo Colacito & Mariano M. Croce, 2011. "Risks for the Long Run and the Real Exchange Rate," Journal of Political Economy, University of Chicago Press, vol. 119(1), pages 153 - 181.
    7. Kollmann, Robert, 2006. "International Portfolio Equilibrium and the Current Account," CEPR Discussion Papers 5512, C.E.P.R. Discussion Papers.
    8. 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.
    9. Robert Kollmann, 2006. "A Dynamic Equilibrium Model of International Portfolio Holdings: Comment," Econometrica, Econometric Society, vol. 74(1), pages 269-273, 01.
    10. Emmanuel Farhi & Xavier Gabaix, 2008. "Rare Disasters and Exchange Rates," NBER Working Papers 13805, National Bureau of Economic Research, Inc.
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