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The Rise in Comovement Across National Stock Markets; Market Integration or Global Bubble?

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  • Robin Brooks
  • Marco Del Negro

Abstract

The degree of comovement across national stock markets has increased dramatically since the mid-1990s. This has overturned a stylized fact in the international portfolio diversification literature that diversifying across countries is more effective for risk reduction than diversifying across industries. We investigate if this rise in comovement is a permanent phenomenon driven by greater economic and financial integration, or a temporary effect associated with the recent stock market bubble. At the global level, our results point to the bubble. At a regional level, we find evidence of a significant rise in market integration within Europe, possibly a reflection of institutional changes such as the EMU.

Suggested Citation

  • Robin Brooks & Marco Del Negro, 2002. "The Rise in Comovement Across National Stock Markets; Market Integration or Global Bubble?," IMF Working Papers 02/147, International Monetary Fund.
  • Handle: RePEc:imf:imfwpa:02/147
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    Cited by:

    1. Kristin J. Forbes & Menzie D. Chinn, 2004. "A Decomposition of Global Linkages in Financial Markets Over Time," The Review of Economics and Statistics, MIT Press, vol. 86(3), pages 705-722, August.
    2. Ehling, Paul & Ramos, Sofia B., 2006. "Geographic versus industry diversification: Constraints matter," Journal of Empirical Finance, Elsevier, vol. 13(4-5), pages 396-416, October.
    3. Michel Beine & Gunther Capelle-Blancard & Helene Raymond, 2008. "International nonlinear causality between stock markets," The European Journal of Finance, Taylor & Francis Journals, vol. 14(8), pages 663-686.
    4. Robert-Paul Berben & W. Jos Jansen, 2005. "Bond Market and Stock Market Integration in Europe," DNB Working Papers 060, Netherlands Central Bank, Research Department.
    5. Sonja Keller & Ashoka Mody, 2010. "International Pricing of Emerging Market Corporate Debt; Does the Corporate Matter?," IMF Working Papers 10/26, International Monetary Fund.
    6. Berger, Tino & Pozzi, Lorenzo, 2013. "Measuring time-varying financial market integration: An unobserved components approach," Journal of Banking & Finance, Elsevier, vol. 37(2), pages 463-473.
    7. Borgsen, Sina & Glaser, Markus, 2005. "Diversifikationseffekte durch small und mid caps? : Eine empirische Untersuchung basierend auf europäischen Aktienindizes," Papers 05-10, Sonderforschungsbreich 504.
    8. Jeng-Yan Tsai & Jyh-Horng Lin, 2013. "Optimal bank interest margin and default risk in equity returns under the return to domestic retail with structural breaks," Applied Economics, Taylor & Francis Journals, vol. 45(6), pages 753-764, February.

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