Law Commons^™

A Private Ordering Solution To Blockholder Disclosure, Joshua Mitts

Faculty Scholarship

The recent debate over reforming the Securities Exchange Act section 13(d) ten-day filing window demonstrates the importance of balancing the costs and benefits of delayed blockholder disclosure. While hedge fund activism may create shareholder value, short-termism is a very real problem for firms today. Rather than a rigid mandatory rule, the duration of the blockholder disclosure window should be set through a shareholder amendment to the corporate bylaws that empowers shareholders to set an optimal maximum length for each firm. To internalize the economic and moral costs to society of permitting trading on asymmetric information, the SEC should impose a …

Mapping The Future Of Insider Trading Law: Of Boundaries, Gaps, And Strategies, John C. Coffee Jr.

Faculty Scholarship

The current law on insider trading is remarkably unrationalized because it contains gaps and loopholes the size of the Washington Square Arch. For example, if a thief breaks into your office, opens your files, learns material nonpublic information, and trades on that information, he has not breached a fiduciary duty and is presumably exempt from insider trading liability. But drawing a line that can convict only the fiduciary and not the thief seems morally incoherent. Nor is it doctrinally necessary.

The basic methodology handed down by the Supreme Court in SEC v. Dirks and United States v. O'Hagan dictates (i) …

Idiosyncratic Risk During Economic Downturns: Implications For The Use Of Event Studies In Securities Litigation, Edward G. Fox, Merritt B. Fox, Ronald J. Gilson

Faculty Scholarship

We reported in a recent paper that during the 2008-09 financial crisis, for the average firm, idiosyncratic risk, as measured by variance, increased by five-fold. This finding is important for securities litigation because idiosyncratic risk plays a central role in event study methodology. Event studies are commonly used in securities litigation to determine materiality and loss causation. Many bits of news affect an issuer’s share price at the time of a corporate disclosure that is the subject of litigation. Because of this, even if an issuer’s market–adjusted price changes at the time of the disclosure, one cannot determine with certainty …