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International Stock Return Comovements

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  • Bekaert, Geert
  • Hodrick, Robert J
  • Zhang, Xiaoyan

Abstract

We examine international stock return comovements using country-industry and country-style portfolios. We first establish that parsimonious risk-based factor models capture the covariance structure of the data better than the popular Heston-Rouwenhorst (1994) model. We then establish the following stylized facts regarding stock return comovements. First, we do not find evidence for an upward trend in return correlations, excpet for the European stock markets. Second, the increasing imporatnce of industry factors relative to country factors was a short-lived, temporary phenomenon. Third, we find no evidence for a trend in idiosyncratic risk in any of the countries we examine.

Suggested Citation

  • Bekaert, Geert & Hodrick, Robert J & Zhang, Xiaoyan, 2006. "International Stock Return Comovements," CEPR Discussion Papers 5955, C.E.P.R. Discussion Papers.
  • Handle: RePEc:cpr:ceprdp:5955
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    References listed on IDEAS

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    Keywords

    comovements; correlation dynamics; country debate; factor models; international diversification;

    JEL classification:

    • C52 - Mathematical and Quantitative Methods - - Econometric Modeling - - - Model Evaluation, Validation, and Selection
    • G11 - Financial Economics - - General Financial Markets - - - Portfolio Choice; Investment Decisions
    • G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates

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