English, Article, Journal or magazine article edition: The Persistence of Abnormal Returns at Industry and Firm Levels Juan Carlos Bou; Albert Satorra

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Bookmark: http://trove.nla.gov.au/version/154631
Physical Description
  • preprint
Language
  • English

Edition details

Title
  • The Persistence of Abnormal Returns at Industry and Firm Levels
Author
  • Juan Carlos Bou
  • Albert Satorra
Physical Description
  • preprint
Notes
  • The present paper proposes a model for the persistence of abnormal returns both at firm and industry levels, when longitudinal data for the profits of firms classiffied as industries are available. The model produces a two- way variance decomposition of abnormal returns: (a) at firm versus industry levels, and (b) for permanent versus transitory components. This variance decomposition supplies information on the relative importance of the fundamental components of abnormal returns that have been discussed in the literature. The model is applied to a Spanish sample of firms, obtaining results such as: (a) there are significant and permanent differences between profit rates both at industry and firm levels; (b) variation of abnormal returns at firm level is greater than at industry level; and (c) firm and industry levels do not differ significantly regarding rates of convergence of abnormal returns.
  • Returns of assets, abnormal returns, persistence, two-level, structural equations
  • RePEc:upf:upfgen:729
Language
  • English
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