This paper compares the extent of common ownership in the US and the EU stock markets, with a particular focus on differences in the applicable ownership transparency requirements. Most empirical research on common ownership to date has focused on US issuers, largely relying on ownership data...

Agency conflicts can arise when a fund manager also chairs the board of the fund. We examine the consequences of this fund manager duality using a broad sample of single managed US equity funds. We find that duality managers significantly underperform non-duality managers. This underperformance...

Some investment advisors offer multiple versions of a fund with the same manager and highly correlated returns. But these twinʺ funds are separate portfolios for different investors with differing abilities to select and monitor managers. Using a matched sample of retail and institutional twin...

I examine whether the Securities and Exchange Commission (SEC) in the US is a learning organization (i.e., one that is capable of learning and adaptation to the dynamic nature of the securities markets – the subject of the SEC's regulatory oversight). Using the treatment of public corporate...

Notwithstanding the focus on hedge fund activism, fundamental questions remain. How much does hedge fund activism really matter? What has academic study contributed to the understanding of hedge fund activism? And what, if anything, does research on hedge fund activism illuminate about the...

Three ongoing mega-trends are reshaping corporate governance: indexing, private equity, and globalization. These trends threaten to permanently entangle business with the state and create organizations controlled by a small number of individuals with unsurpassed power. The essay focuses on...

Purpose As the influence of institutional investors over managerial decision-making grows, so does the importance of understanding the effect of institutional investor ownership (IO) on firm outcomes. The authors take a comprehensive approach to studying the effect of IO on earnings management...

We construct a novel data set to show that, between 2003-2020, up to one-fifth of America’s largest firms had a non-financial blockholder or insider as their largest shareholder. Blockholders and insiders tend to be less diversified than institutional investors. Measures of “universal” and...

We construct a novel data set to show that, between 2003-2020, up to one-fifth of America's largest firms had a non-financial blockholder or insider as their largest shareholder. Blockholders and insiders tend to be less diversified than institutional investors. Measures of "universal" and...

This paper compares the extent of common ownership in the US and the EU stock markets, with a particular focus on differences in the ap-plicable ownership transparency requirements. Most empirical research on common ownership to date has focused on US issuers, largely relying on ownership data...