UK directors' trading: the impact of dealings in smaller firms

Alan Gregory, John Matako, Ian Tonks and Richard Purkis

LSE Research Online Documents on Economics from London School of Economics and Political Science, LSE Library

Abstract: This paper reassesses the UK results of significant abnormal returns from directors' trading for a new sample of directors' trades 1984-1986, and finds that abnormal returns tend to be concentrated in smaller firms. When an appropriate benchmark portfolio is used, it is found that the significance of the abnormal returns is substantially reduced, with the implication that directors' trading does not yield particularly high profits to either the directors themselves or to an outside investor mimicking those trades.

JEL-codes: G00 (search for similar items in EconPapers)
Pages: 32 pages
Date: 1993-05-01
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Persistent link: https://EconPapers.repec.org/RePEc:ehl:lserod:119183

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