This paper analyzes the law and economics of insider trading in the context of takeover bids, focusing on the European regulatory framework. We distinguish between trading by the bidder, by the target and by classical insiders and first address the issue of precisely when information about...

We provide evidence of unreported trading by corporate insiders in their own firm's shares and link this activity to future firm earnings and analyst forecast error. Unreported trading are cases of discrepancies between insider shareholdings from trades reported to the Exchange and their...

This paper examines insider trading in light of the recent Supreme Court case of United States v. O'Hagan. The authors conclude that the Supreme Court left many questions unanswered and even raised some new questions. Unless Congress defines insider trading and clarifies what constitutes illegal...

We analyze the relation between insider trading and the networks of executive and non-executive directors in UK listed companies. While most existing studies focus on firm-specific private information, we find that non-firm-specific information - such as information on other companies and...

We provide evidence of unreported trading by corporate insiders in their own firm's shares and link this activity to future firm earnings and analyst forecast error. Unreported trading represent discrepancies between insider shareholdings from trades they report to the Exchange and their...

Theories of corporate boards assume that board members of a firm generate private information about the quality and performance of its CEO in the process of monitoring and advising him, and may use this information to decide whether or not to fire him. In this paper, I make use of data on...

We examine derivatives trading prior to takeover rumors in a sample of 1,638 publicly traded U.S. firms. The volume of options traded is abnormally high over the 5-day pre-rumor period, primarily due to the number of out-of-the-money call options traded. In addition, the direction of option...

Understanding the association between quasi-indexer ownership and insider trading is important given the externalities that insider trading can impose on shareholders, the importance of quasi-indexers in the capital markets, and their mixed monitoring incentives. The prior literature has...

Prior research finds that online social media usage may lower self-control and encourage indulgent behavior in laboratory subjects. We find that corporate CEOs show similar tendencies: CEOs with online social media presence are more likely to succumb to lower self-control and abuse their...

This paper examines the accruals anomaly in an agency context where managers of overvalued firms engage in various activities, including accruals-based earnings management, to sustain overvaluation. We use managerial trading to operationalize the empirical investigation, hypothesizing that...