Utility functions offer a means to encode objectives and preferences in investor portfolios. The functions allow one to place a score on outcomes and then identify optimal portfolios by maximizing utility. The central theme of this article is that utility functions should be tailored to the...

We investigate why investors may be willing to participate in active management, notwithstanding that the average manager is likely to generate negative alpha after fees. We model the alpha an investor expects from a dynamic strategy of investing in a portfolio of active investment managers, and...

We investigate optimal investment and drawdown decisions in retirement, and show that the asset mix and drawdown strategy vary significantly with financial circumstances and preferences. Loss aversion preferences lead to hedging strategies to secure the target consumption through use of...

In 2009, Arnott, Li, and Sherrerd asked how a clairvoyant investor—an investor who can see the future cash flows that a company will deliver to its shareholders and an eventual resale price—would have valued individual stocks. By examining past share prices in the context of subsequent...