Insider trading legislation and corporate governance

Maug, Ernst

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Document Type: Article
Year of publication: 2002
The title of a journal, publication series: European Economic Review : EER
Volume: 46
Issue number: 9
Page range: 1569-1597
Place of publication: Amsterdam [u.a.]
Publishing house: Elsevier
ISSN: 0014-2921 , 1873-572X
Publication language: English
Institution: Business School > ABWL u. Corporate Finance (Maug 2006-)
Subject: 330 Economics
Abstract: This paper analyzes the impact of insider trading legislation on corporate governance. In a context where large, dominant shareholders can monitor underperforming companies, managers have an incentive to give early warnings about adverse developments to dominant shareholders. This information is effectively a bribe to induce dominant shareholders to sell their stock and refrain from intervention. If insider trading is unregulated, dominant shareholders collude with management at the expense of small shareholders. The optimal regime forces the company to disclose all material information to the market. Private contracting between companies and shareholders leads to optimal insider trading regulation only if initial shareholders can enter a binding commitment, otherwise large shareholders and managers recontract at the expense of small share-holders. Enforcement also matters. European Union legislation requires inside information to be precise. Such a narrow definition creates a grey zone, where information is private but cannot be classified as inside information. As a result the effectiveness of corporate governance and firm value are reduced. Regulation in the US that treats shareholders with a stake exceeding 10% as insiders is potentially harmful.

Dieser Datensatz wurde nicht während einer Tätigkeit an der Universität Mannheim veröffentlicht, dies ist eine Externe Publikation.

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