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A Dynamic Equilibrium Model of International Portfolio Holdings

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  • Angel Serrat

Abstract

This paper develops a continuous-time equilibrium model of a two-country exchange economy with heterogeneous agents and nontraded goods. Nontraded goods play the role of state variables that shift the marginal utility of traded goods. This affects prices and generates dynamic hedging demands that explain the well documented home bias puzzle in international equity portfolios. When calibrated to both consumption and production data, the model is able to generate significative home bias in equity portfolios. A new methodology, based on Malliavin calculus, is presented to solve for the portfolio policies along the equilibrium path. This methodology allows one to reduce the determination of equilibrium portfolio holdings to the solution of a linear algebraic system, rather than a partial differential equation. Copyright The Econometric Society.

Suggested Citation

  • Angel Serrat, 2001. "A Dynamic Equilibrium Model of International Portfolio Holdings," Econometrica, Econometric Society, vol. 69(6), pages 1467-1489, November.
  • Handle: RePEc:ecm:emetrp:v:69:y:2001:i:6:p:1467-1489
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    References listed on IDEAS

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    1. Darrell Duffie & Chi-Fu Huang, 2005. "Implementing Arrow-Debreu Equilibria By Continuous Trading Of Few Long-Lived Securities," World Scientific Book Chapters,in: Theory Of Valuation, chapter 4, pages 97-127 World Scientific Publishing Co. Pte. Ltd..
    2. Baxter, Marianne & Jermann, Urban J. & King, Robert G., 1998. "Nontraded goods, nontraded factors, and international non-diversification," Journal of International Economics, Elsevier, vol. 44(2), pages 211-229, April.
    3. Maurice Obstfeld & Kenneth S. Rogoff, 1996. "Foundations of International Macroeconomics," MIT Press Books, The MIT Press, edition 1, volume 1, number 0262150476, January.
    4. Detemple, Jerome B & Zapatero, Fernando, 1991. "Asset Prices in an Exchange Economy with Habit Formation," Econometrica, Econometric Society, vol. 59(6), pages 1633-1657, November.
    5. 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.
    6. Tesar, Linda L., 1993. "International risk-sharing and non-traded goods," Journal of International Economics, Elsevier, vol. 35(1-2), pages 69-89, August.
    7. Dumas, Bernard & Uppal, Raman, 2001. "Global Diversification, Growth, and Welfare with Imperfectly Integrated Markets for Goods," Review of Financial Studies, Society for Financial Studies, vol. 14(1), pages 277-305.
    8. Stockman, Alan C & Tesar, Linda L, 1995. "Tastes and Technology in a Two-Country Model of the Business Cycle: Explaining International Comovements," American Economic Review, American Economic Association, vol. 85(1), pages 168-185, March.
    9. Cox, John C. & Huang, Chi-fu, 1989. "Optimal consumption and portfolio policies when asset prices follow a diffusion process," Journal of Economic Theory, Elsevier, vol. 49(1), pages 33-83, October.
    10. Lewis, Karen K, 1996. "What Can Explain the Apparent Lack of International Consumption Risk Sharing?," Journal of Political Economy, University of Chicago Press, vol. 104(2), pages 267-297, April.
    11. repec:cdl:ucsbec:16-92 is not listed on IDEAS
    12. Uppal, Raman, 1993. " A General Equilibrium Model of International Portfolio Choice," Journal of Finance, American Finance Association, vol. 48(2), pages 529-553, June.
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