Comovement and FTSE 100 Index Changes
We employ the Barberis et al. (2005) methodology to investigate the impact of changes to the FTSE 100 index on return comovement 1992-2002. For FTSE entries, the average weekly increase in the beta coefficient is 0.38 in univariate regressions and 0.60 in bivariate regressions that control for the return on non-FTSE stocks. Stocks deleted from the index display the opposite pattern post exit. The results are robust to a number of factors including size, industry and non-trading effects. They are difficult to explain within a classical framework but complement those found for the USA, Japan and Canada in supporting behavioural finance views of comovement.
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|Date of creation:||17 Sep 2004|
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- Nicholas Barberis & Andrei Shleifer, 2000.
NBER Working Papers
8039, National Bureau of Economic Research, Inc.
- Barberis, Nicholas & Shleifer, Andrei & Vishny, Robert, 1998.
"A model of investor sentiment,"
Journal of Financial Economics,
Elsevier, vol. 49(3), pages 307-343, September.
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