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Sector diversification during crises: a European perspective

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  • Michel Beine
  • Pierre-Yves Preumont
  • Ariane Szafarz

Abstract

The dynamics of the cross-correlations between the 10 Dow Jones European sector financial indices are analyzed through to the Dynamic Conditional Correlations (DCC) model during the period 1987-2003. First, the paper confirms that, on the whole, the correlations are highly volatile. Second, it brings insights on the behavior of the sector correlations during the IT bubble. The comparison of the pre- and post-bubble periods leads to the conclusion that the sector indices do not suffer from the contagion effects (a correlation increase damaging the portfolio diversification) observed by several authors on country indices. Therefore, it is argued that the benefits from sector diversification during crises must be taken into account by portfolio managers.

Suggested Citation

  • Michel Beine & Pierre-Yves Preumont & Ariane Szafarz, 2006. "Sector diversification during crises: a European perspective," DULBEA Working Papers 06-07.RS, ULB -- Universite Libre de Bruxelles.
    • Handle: RePEc:dul:wpaper:06-07rs
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    Cited by:

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    4. Bernal, Oscar & Oosterlinck, Kim & Szafarz, Ariane, 2010. "Observing bailout expectations during a total eclipse of the sun," Journal of International Money and Finance, Elsevier, vol. 29(7), pages 1193-1205, November.
    5. Jean Luc De Meulemeester, 2007. "L'économie de l'éducation fait-elle des progrès? Une perspective d'histoire de la pensée économique," Brussels Economic Review, ULB -- Universite Libre de Bruxelles, vol. 50(1), pages 89-111.
    6. Henri Capron & Michele Cincera, 2007. "EU pre-competitive and near-the-market S&T collaborations," Brussels Economic Review, ULB -- Universite Libre de Bruxelles, vol. 50(1), pages 135-159.
    7. M. Vermorken & A. Szafarz & H. Pirotte, 2010. "Sector classification through non-Gaussian similarity," Applied Financial Economics, Taylor & Francis Journals, vol. 20(11), pages 861-878.
    8. Charles Plaigin, 2009. "Exploratory study on the presence of cultural and institutional growth spillovers," DULBEA Working Papers 09-03.RS, ULB -- Universite Libre de Bruxelles.
    9. Régis Blazy & Laurent Weill, 2006. "The Impact of Legal Sanctions on Moral Hazard when Debt Contracts are Renegotiable," LSF Research Working Paper Series 06-09, Luxembourg School of Finance, University of Luxembourg.
    10. Ilan Tojerow, 2008. "Industry Wage Differentials Rent Sharing and Gender in Belgium," Reflets et perspectives de la vie économique, De Boeck Université, vol. 0(3), pages 55-65.
    11. Olga Bourachnikova, 2007. "Weighting function in the behavioral portfolio theory," DULBEA Working Papers 07-07.RS, ULB -- Universite Libre de Bruxelles.
    12. Jérôme De Henau & Leila Maron & Danièle Meulders & Sile Padraigin O'Dorchai, 2007. "Travail et maternité en Europe: conditions de travail et politiques publiques," Brussels Economic Review, ULB -- Universite Libre de Bruxelles, vol. 50(1), pages 63-88.
    13. Henri Capron, 2007. "Politique de cohésion et développement régional," DULBEA Working Papers 07-16.RS, ULB -- Universite Libre de Bruxelles.
    14. Pierre-Guillaume Méon & Laurent Weill, 2006. "Does financial intermediation matter for macroeconomic efficiency?," DULBEA Working Papers 06-13.RS, ULB -- Universite Libre de Bruxelles.
    15. Ariane Szafarz, 2007. "Hiring people-like-yourself: a representation of discrimination on the job market," DULBEA Working Papers 07-21.RS, ULB -- Universite Libre de Bruxelles.
    16. Sile Padraigin O'Dorchai, 2008. "Pay inequality in 25 European countries," DULBEA Working Papers 0006, ULB -- Universite Libre de Bruxelles.
    17. Pierre-Guillaume Méon & Ariane Szafarz, 2008. "Labor market discrimination as an agency cost," DULBEA Working Papers 08-19.RS, ULB -- Universite Libre de Bruxelles.
    18. Caroline Gerschlager, 2008. "Foolishness and identity: Amartya Sen and Adam Smith," DULBEA Working Papers 08-03.RS, ULB -- Universite Libre de Bruxelles.
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    20. Abdeslam Marfouk, 2008. "The African brain drain: scope and determinants," DULBEA Working Papers 08-07.RS, ULB -- Universite Libre de Bruxelles.
    21. Maximilian A M Vermorken, 2011. "GICS or ICB, how different is similar?," Journal of Asset Management, Palgrave Macmillan, vol. 12(1), pages 30-44, April.

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    More about this item

    Keywords

    dynamic correlation; sector diversification; IT bubble; contagion;
    All these keywords.

    JEL classification:

    • G11 - Financial Economics - - General Financial Markets - - - Portfolio Choice; Investment Decisions
    • G15 - Financial Economics - - General Financial Markets - - - International Financial Markets
    • C32 - Mathematical and Quantitative Methods - - Multiple or Simultaneous Equation Models; Multiple Variables - - - Time-Series Models; Dynamic Quantile Regressions; Dynamic Treatment Effect Models; Diffusion Processes; State Space Models

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