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Optimal International Asset Allocation and Home Bias

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  • Thomas J. Flavin

    ()
    (Economics, National University of Ireland, Maynooth)

  • Michael R. Wickens

    (University of York, UK.)

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    Abstract

    This paper examines the optimal allocation each period of an internationally diversified portfolio from the different points of view of a UK and a US investor. A multivariate GARCH model is used to estimate the conditional covariance matrix of returns, and to rebalance their portfolios each period according to CAPM. Domestic equity is the dominant asset in the optimal portfolio for both investors, but the US investor bears less risk than the UK investor, and holds less foreign equity - 20% compared to 25%. Survey evidence indicates actual shares are 6% and 18%, respectively, making the home-bias puzzle more acute for US than UK investors. Put another way, there seems to be more potential gains from increased international diversification for the US than the UK investor.

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    Bibliographic Info

    Paper provided by Department of Economics, Finance and Accounting, National University of Ireland - Maynooth in its series Economics, Finance and Accounting Department Working Paper Series with number n841298.

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    Length: 34 pages
    Date of creation: Dec 1998
    Date of revision:
    Handle: RePEc:may:mayecw:n841298

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    Postal: Maynooth, Co. Kildare
    Phone: 353-1-7083728
    Fax: 353-1-7083934
    Web page: http://economics.nuim.ie
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    Related research

    Keywords: Asset allocation; home bias; GARCH;

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    References

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    1. French, Kenneth R & Poterba, James M, 1991. "Investor Diversification and International Equity Markets," American Economic Review, American Economic Association, vol. 81(2), pages 222-26, May.
    2. Jorion, Philippe, 1985. "International Portfolio Diversification with Estimation Risk," The Journal of Business, University of Chicago Press, vol. 58(3), pages 259-78, July.
    3. Bollerslev, Tim & Chou, Ray Y. & Kroner, Kenneth F., 1992. "ARCH modeling in finance : A review of the theory and empirical evidence," Journal of Econometrics, Elsevier, vol. 52(1-2), pages 5-59.
    4. Thomas J. Flavin & Michael R. Wickens, 2000. "Global Asset Allocation with Time-varying Risk," Economics, Finance and Accounting Department Working Paper Series n1020800, Department of Economics, Finance and Accounting, National University of Ireland - Maynooth.
    5. Levy, Haim & Sarnat, Marshall, 1970. "International Diversification of Investment Portfolios," American Economic Review, American Economic Association, vol. 60(4), pages 668-75, September.
    6. Bollerslev, Tim & Engle, Robert F. & Nelson, Daniel B., 1986. "Arch models," Handbook of Econometrics, in: R. F. Engle & D. McFadden (ed.), Handbook of Econometrics, edition 1, volume 4, chapter 49, pages 2959-3038 Elsevier.
    7. Andrew Clare & Raymond O'Brien & Stephen Thomas & Michael Wickens, . "Macroeconomic Shocks and the Domestic CAPM: Evidence from the UK Stock Market," Discussion Papers 94/10, Department of Economics, University of York.
    8. Thomas J. Flavin & Michael R. Wickens, 1998. ": A Risk Management Approach to Optimal Asset Allocation," Economics, Finance and Accounting Department Working Paper Series n851298, Department of Economics, Finance and Accounting, National University of Ireland - Maynooth.
    9. Cumby, Robert & Figlewski, Stephen & Hasbrouck, Joel, 1994. "International asset allocation with time varying risk: an analysis and implementation," Japan and the World Economy, Elsevier, vol. 6(1), pages 1-25.
    10. Engle, Robert F. & Kroner, Kenneth F., 1995. "Multivariate Simultaneous Generalized ARCH," Econometric Theory, Cambridge University Press, vol. 11(01), pages 122-150, February.
    11. Cooper, Ian & Kaplanis, Evi, 1994. "Home Bias in Equity Portfolios, Inflation Hedging, and International Capital Market Equilibrium," Review of Financial Studies, Society for Financial Studies, vol. 7(1), pages 45-60.
    12. Karen K. Lewis, 1998. "International Home Bias in International Finance and Business Cycles," NBER Working Papers 6351, National Bureau of Economic Research, Inc.
    13. Thomas J. Flavin & Michael R. Wickens, 2001. "A Risk Management Approach to Optimal Asset Allocation," Economics, Finance and Accounting Department Working Paper Series n1080301, Department of Economics, Finance and Accounting, National University of Ireland - Maynooth.
    14. repec:cup:etheor:v:11:y:1995:i:1:p:122-50 is not listed on IDEAS
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    Cited by:
    1. Thomas J. Flavin & Michael R. Wickens, 2000. "Global Asset Allocation with Time-varying Risk," Economics, Finance and Accounting Department Working Paper Series n1020800, Department of Economics, Finance and Accounting, National University of Ireland - Maynooth.

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