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.
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Paper provided by National Bureau of Economic Research, Inc in its series NBER Working Papers with number
11906.
Length: Date of creation: Dec 2005 Date of revision: Handle: RePEc:nbr:nberwo:11906
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Geert Bekaert & Campbell R. Harvey & Angela Ng, 2005.
"Market Integration and Contagion,"
Journal of Business,
University of Chicago Press, vol. 78(1), pages 39-70, January.
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