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Diversification benefits for bond portfolios

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  • Wassim Dbouk
  • Lawrence Kryzanowski

Abstract

Finance research has focused primarily on the diversification of stock portfolios. Various metrics are used herein to assess the diversification benefits, and the optimal bond portfolio sizes (PSs) for investment opportunity (IO) sets differentiated by issuer type, credit ratings and term-to-maturity. While PSs of 25-40 bonds appear optimal for the marginal reduction of dispersion with increasing PS, larger (smaller) PSs are optimal if the investor is concerned about left tail weight (positive skewness or reward-to-downside risk). Although the marginal reduction of dispersion is less than 1% beyond these optimal PSs, much potential diversification benefits still remain unrealized for many of the IO sets studied herein.

Suggested Citation

  • Wassim Dbouk & Lawrence Kryzanowski, 2009. "Diversification benefits for bond portfolios," The European Journal of Finance, Taylor & Francis Journals, vol. 15(5-6), pages 533-553.
    • Handle: RePEc:taf:eurjfi:v:15:y:2009:i:5-6:p:533-553
    DOI: 10.1080/13518470902890758
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    References listed on IDEAS

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    1. De Santis, Roberto A. & Sarno, Lucio, 2008. "Assessing the benefits of international portfolio diversification in bonds and stocks," Working Paper Series 883, European Central Bank.
    2. Laura Veldkamp & Stijn Van Nieuwerburgh, 2005. "Information Acquisition and Portfolio Underdiversification," 2005 Meeting Papers 77, Society for Economic Dynamics.
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    Cited by:

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    2. Azra Zaimovic & Adna Omanovic & Almira Arnaut-Berilo, 2021. "How Many Stocks Are Sufficient for Equity Portfolio Diversification? A Review of the Literature," JRFM, MDPI, vol. 14(11), pages 1-30, November.
    3. Oehler, Andreas & Wanger, Hans Philipp, 2020. "Household portfolio optimization with XTFs? An empirical study using the SHS-base," Research in International Business and Finance, Elsevier, vol. 51(C).
    4. Stig Helberg & Snorre Lindset, 2020. "Collateral affects return risk: evidence from the euro bond market," Financial Markets and Portfolio Management, Springer;Swiss Society for Financial Market Research, vol. 34(1), pages 99-128, March.
    5. Miljan Lekovic & Dragana Gnjatovic, 2018. "Contribution of the Investment Funds Industry to Development Performances of the Republic of Serbia," Economic Alternatives, University of National and World Economy, Sofia, Bulgaria, issue 2, pages 197-212, June.
    6. Vitali Alexeev & Francis Tapon, 2014. "The number of stocks in your portfolio should be larger than you think: diversification evidence from five developed markets," Published Paper Series 2014-4, Finance Discipline Group, UTS Business School, University of Technology, Sydney.

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