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 has...

We analyze a sample of 330 firms making unaudited disclosures required by Section 302 and 383 firms making audited disclosures required by Section 404 of the Sarbanes - Oxley Act. We find that Section 302 disclosures are associated with negative announcement abnormal returns of -1.8 percent, and...

We survey the textual sentiment literature, comparing and contrasting the various information sources, content analysis methods, and empirical models that have been used to date. We summarize the important and influential findings about how textual sentiment impacts on individual, firm-level and...

This study investigates the endogenous relationship between abnormal insider trading and accrual abuse, and explores whether corporate governance affects this relationship. Our results suggest that insiders take advantage of private information on abnormal accruals to time their trading and...

We find that the location of corporate headquarters significantly affects the firm’s bondholders. Similar to Loughran and Schultz (2006) and others, who show that investors are better able to obtain information on nearby companies, we look at firms located in large metropolitan cities, small...

Seit der Einführung des Deutschen Corporate Governance Kodex (Kodex) im Jahr 2002 sind deutsche börsennotierte Unternehmen zur Abgabe der Entsprechenserklärung gemäß § 161 AktG verpflichtet (Comply-or-Explain-Prinzip). Auf der Basis dieser Information soll durch den Druck des Kapitalmarkts...

Exploiting the 2009 amendments to Regulation S-K, we provide unique evidence on the first-time disclosure of the reasons firms state for combining (separating) the roles of CEO and chairman. The stated reasons support both agency theory and organization theory. They are more numerous and...

This paper studies the short- and long-run announcement effects of declaring compliance with the German Corporate Governance Code (the Code). We examine a unique, hand-collected data set of 317 German listed firms from 2002-2005. First, we present evidence from an analysis of firms compliance...

Our work provides refined tests of the existence and source of merger gains in a neglected industry: utilities. While excluded from traditional analyses, utilities offer fertile ground for a detailed analysis of the traditional theories of synergy, collusion, hubris and anticipation. The...