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Oil-stock volatility transmission, portfolio selection and hedging


  • Mohamed El Hédi Arouri

    () (EDHEC Business School, France)

  • Amine Lahiani

    () (LEO-University of Orléans & ESC Rennes School of Business, France)

  • Duc Khuong Nguyen

    () (ISC Paris School of Management, France)


We employ a bivariate VAR-GARCH model of Ling and McAleer (2003) to examine the volatility transmission between oil prices and stock market sectors in the United States. We also compute the optimal weights and hedge ratios for oil-stock portfolio holdings and show how they can be used to build effective diversification and hedging strategy. Using daily data over the period from January 2, 1995 to December 17, 2010, we find evidence of significant volatility spillovers in both directions, from oil market to stock sectors and from stock sectors to oil market. Moreover, investors can improve the risk-adjusted performance of their portfolios of sector stocks by adding the oil asset. These results are crucial for portfolio management in the presence of the oil risk and the implementation of sector-specific policy actions.

Suggested Citation

  • Mohamed El Hédi Arouri & Amine Lahiani & Duc Khuong Nguyen, 2012. "Oil-stock volatility transmission, portfolio selection and hedging," Economics Bulletin, AccessEcon, vol. 32(4), pages 2768-2778.
  • Handle: RePEc:ebl:ecbull:eb-12-00242

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    References listed on IDEAS

    1. Boyer, M. Martin & Filion, Didier, 2007. "Common and fundamental factors in stock returns of Canadian oil and gas companies," Energy Economics, Elsevier, vol. 29(3), pages 428-453, May.
    2. Ling, Shiqing & McAleer, Michael, 2003. "Asymptotic Theory For A Vector Arma-Garch Model," Econometric Theory, Cambridge University Press, vol. 19(02), pages 280-310, April.
    3. Park, Jungwook & Ratti, Ronald A., 2008. "Oil price shocks and stock markets in the U.S. and 13 European countries," Energy Economics, Elsevier, vol. 30(5), pages 2587-2608, September.
    4. Engle, Robert F. & Kroner, Kenneth F., 1995. "Multivariate Simultaneous Generalized ARCH," Econometric Theory, Cambridge University Press, vol. 11(01), pages 122-150, February.
    5. Hammoudeh, Shawkat M. & Yuan, Yuan & McAleer, Michael & Thompson, Mark A., 2010. "Precious metals-exchange rate volatility transmissions and hedging strategies," International Review of Economics & Finance, Elsevier, vol. 19(4), pages 633-647, October.
    6. Hedi Arouri, Mohamed El & Khuong Nguyen, Duc, 2010. "Oil prices, stock markets and portfolio investment: Evidence from sector analysis in Europe over the last decade," Energy Policy, Elsevier, vol. 38(8), pages 4528-4539, August.
    7. Hammoudeh, Shawkat M. & Yuan, Yuan & McAleer, Michael, 2009. "Shock and volatility spillovers among equity sectors of the Gulf Arab stock markets," The Quarterly Review of Economics and Finance, Elsevier, vol. 49(3), pages 829-842, August.
    8. Choi, Kyongwook & Hammoudeh, Shawkat, 2010. "Volatility behavior of oil, industrial commodity and stock markets in a regime-switching environment," Energy Policy, Elsevier, vol. 38(8), pages 4388-4399, August.
    9. Mohan Nandha & Robert Brooks, 2009. "Oil prices and transport sector returns: an international analysis," Review of Quantitative Finance and Accounting, Springer, vol. 33(4), pages 393-409, November.
    10. Sadorsky, Perry, 2001. "Risk factors in stock returns of Canadian oil and gas companies," Energy Economics, Elsevier, vol. 23(1), pages 17-28, January.
    11. Nandha, Mohan & Faff, Robert, 2008. "Does oil move equity prices? A global view," Energy Economics, Elsevier, vol. 30(3), pages 986-997, May.
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    More about this item


    oil prices; US stock sectors; portfolio designs; hedge ratios; VAR-GARCH models;

    JEL classification:

    • G0 - Financial Economics - - General
    • Q4 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Energy


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