This paper documents significantly negative stock price reactions to shareholder initiated class action lawsuits. We find that shareholders partially anticipate these lawsuits based on lawsuit filings against other firms in the same industry and capitalize part of these losses prior to a lawsuit filing date. Consequently, we show that filing date effects understate the magnitude of shareholder ...

Shareholder security class action lawsuits are notable firm events in which a group of shareholders allege the intentional misrepresentation or omission of management disclosure. Rogers and Van Buskirk (2009) provide evidence consistent with management disclosure deteriorating after the filing of a lawsuit. In response to the lawsuit and changes in firm disclosure, investors likely demand addit...

In September 1999, eighteen-year-old Jesse Gelsinger tragically died while participating in a University of Pennsylvania gene transfer experiment.' The lawsuit that followed this unfortunate incident named as defendants not only the researchers involved but also renowned bioethicist Arthur Caplan. Although a hospital ethics committee was named in a lawsuit more than ten years earlier,' there had

STUDY DESIGN Retrospective cohort study. OBJECTIVE To review past cases and analyze them to determine whether reason for lawsuit led to a defense versus plaintiff verdict when patients sustain spinal cord injury. Secondary objectives included analyzing demographic factors and monetary awards for plaintiff verdicts and settlements. SUMMARY OF BACKGROUND DATA Evaluating malpractice cases coul...