The article presents an overview of the assumptions and unintended consequences of the widespread adoption of modern portfolio theory (MPT) in the context of the growth of large institutional investors. We examine the many so-called risk management practices and financial products that have been...

For the past two decades, legal and economic scholarship has tended to assume that the central economic problem addressed by corporation law is getting managers and directors to act as faithful agents for shareholders. There are other important economic problems faced by business firms, however....

At the close of the twentieth century, U.S. corporate scholarship was dominated by a principal-agent paradigm that assumed that shareholders were the principals or sole residual claimants in public corporations, and also assumed that corporate directors were the shareholders' agents. This...