Law Commons^™

Why Do Retail Investors Make Costly Mistakes? An Experiment On Mutual Fund Choice, Jill E. Fisch, Tess Wilkinson-Ryan

All Faculty Scholarship

There is mounting evidence that retail investors make predictable, costly investment mistakes, including underinvestment, naïve diversification, and payment of excessive fund fees. Over the past thirty-five years, however, participant-directed 401(k) plans have largely replaced professionally managed pension plans, requiring unsophisticated retail investors to navigate the financial markets themselves. Policy-makers have struggled with regulatory interventions designed to improve the quality of investment decisions without a clear understanding of the reasons for investor mistakes. Absent such an understanding, it is difficult to design effective regulatory responses.

This article offers a first step in understanding the investor decision-making process. We use an internet-based …

Behaviorism In Finance And Securities Law, David A. Skeel Jr.

All Faculty Scholarship

In this Essay, I take stock (as something of an outsider) of the behavioral economics movement, focusing in particular on its interaction with traditional cost-benefit analysis and its implications for agency structure. The usual strategy for such a project—a strategy that has been used by others with behavioral economics—is to marshal the existing evidence and critically assess its significance. My approach in this Essay is somewhat different. Although I describe behavioral economics and summarize the strongest criticisms of its use, the heart of the Essay is inductive, and focuses on a particular context: financial and securities regulation, as recently revamped …