This article analyzes the manifold situations in which the efficient-market hypothesis (EMH) has influenced — or has failed to influence — federal securities regulation and state corporate law, and the prospective roles for the EMH in these contexts. In federal securities regulation, the EMH...

This revised draft book chapter describes the interrelationship between gender and U.S insider trading law and explores (anecdotally and through extensions of existing gender studies outside the insider trading realm) the potential roles and significance of gender in that context. Although women...

In 2009, the promise of a comprehensive federal cap and trade bill to address climate change fell apart. At least in part, this was due to the fears that exotic 'carbon' financial instruments might cause more financial crises. As California launches it economy wide carbon trading system, and...

The SEC launched in 2002 enforcement actions against investors involved in PIPE (Private Investments in Public Equity) transactions. We describe the legal ramifications of this enforcement initiative, and document dramatic contemporaneous market-wide changes in the contractual structure of...

The timeliness of financial reporting has been an important topic in the accounting literature for decades. There is a tradeoff between the timeliness of reporting and the value of the information being reported. Prior to the advent of the internet, reporting had to be done using print media....

We survey the empirical literature on the determinants of firms' compliance with mandatory SEC disclosure rules. We begin with a discussion of the role of boards of directors, public accounting firms, and corporate attorneys in the preparation and review of mandatory disclosures. We then...

In this paper, we explore how competition among stock exchanges, operated as self-regulatory organizations (SROs), affects the design of their members' surveillance. We develop a model where two for-profit SROs compete for trading volume, while brokers execute transactions on behalf of the...

This paper focuses on the effects of Ad-Hoc-Disclosures on German stock market efficiency. Absolute abnormal returns and abnormal volumes are calculated to investigate markets not only on event day, but also prior and after the issuance of ad hoc information. Unlike prior studies we find...

We study the effects of regulating the timing of disclosure on the quality of accounting information, using a 2003 U.S. regulatory change that accelerates 10-K filing deadlines as a research setting. Employing a difference-in-differences design, we find that the likelihood of issuing financial...

Disclosure has its limits. One big focus of attention, criticism, and proposals for reform in the aftermath of the 2008 financial crisis has been securities disclosure. But most of the criticisms of disclosure relate to retail investors. The securities at issue in the crisis were mostly sold to...