Some eleven million 401(k) plan participants take a concentrated equity position in their retirement savings account, investing more than 20% of the balance in their employer's common stock. Yet investing in the stock of one's employer is a risky investment on two counts: single securities are...

We analyze the long-standing “annuity puzzle” through the lens of behavioral economics. We provide novel evidence that lessens the extent of the puzzle and shed some additional light on the real drivers of the decision to annuitize. Last, we discuss the policy implications of our findings

The average nominal share prices of common stocks traded on the New York Stock Exchange have remained constant at approximately $35 per share since the Great Depression as a result of stock splits. It is surprising that U.S. firms actively maintained constant nominal prices for their shares...

Despite the successes of automatic enrollment (AE) in raising participation, a significant share of 401(k) enrollees remain at-risk for retirement insecurity. We assert that this risk may be shaped by an employee's initial decision to either confirm enrollment at the default rate or to...

Research on choice architecture is shaping policy around the world, touching on areas ranging from retirement economics to environmental issues. Recently, researchers and policy makers have begun paying more attention not just to choice architecture but also to information architecture, or the...

This book offers a definitive and wide-ranging overview of developments in behavioral finance over the past ten years. In 1993, the first volume provided the standard reference to this new approach in finance--an approach that, as editor Richard Thaler put it, "entertains the possibility that...