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Industry Information Diffusion and the Lead-lag Effect in Stock Returns

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  • Kewei Hou

Abstract

I argue that the slow diffusion of industry information is a leading cause of the lead-lag effect in stock returns. I find that the lead-lag effect between big firms and small firms is predominantly an intra-industry phenomenon. Moreover, this effect is driven by sluggish adjustment to negative information, and is robust to alternative determinants of the lead-lag effect. Small, less competitive and neglected industries experience a more pronounced lead-lag effect. The lead-lag effect is related to the post-announcement drift of small firms following the earnings releases of big firms within the industry. , Oxford University Press.

Suggested Citation

  • Kewei Hou, 2007. "Industry Information Diffusion and the Lead-lag Effect in Stock Returns," The Review of Financial Studies, Society for Financial Studies, vol. 20(4), pages 1113-1138.
    • Handle: RePEc:oup:rfinst:v:20:y:2007:i:4:p:1113-1138
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