Stock market efficiency, insider dealing and market abuse: The UK experience

Paul Barnes*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)


It is only recently that market abuse, of which insider dealing is a form, has been unlawful in the UK. The general impression is that insider dealing is common, that the Financial Services Authority (FSA), the main regulator, is aware of this but is unable, except in the most obvious of cases, to prosecute at the criminal level. The picture is less clear for other forms of market abuse and the evidence as to their frequency of occurrence is conflicting. As a result we are unable to assess the extent to which these go unchecked.

Original languageEnglish
Pages (from-to)38-50
Number of pages13
JournalInternational Journal of Business Governance and Ethics
Issue number1-2
Publication statusPublished - 2010


  • Efficient capital markets hypothesis
  • Insider dealing
  • Insider trading
  • Market abuse
  • Pump and dump
  • Share prices
  • Trash and cash


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