The world of investing and business has seen a great deal of change in the past 30 years. Investors face a slew of psychological challenges. Here are the 10 attributes I believe to be the hallmark of a great investor.

Michael Mauboussin, Credit Suisse

New research has found that teams of three portfolio managers deliver higher gains, adjusted for risk, than funds managed by a single individual or by teams of other sizes.

Michael Mauboussin, Credit Suisse

The worlds of business, investing, and sports are awash in numbers, yet we rarely pause to consider what makes for a suitable statistic.

Michael Mauboussin, Credit Suisse

We examine four situations where individuals make poor choices and review the research to show where the brain makes those decisions. In each case, we present some ideas about how to overcome the potentially suboptimal choice when it comes to investing.

Michael Mauboussin, Credit Suisse | 0.75 CE

The challenge in finding differential skill among active managers reflects a surfeit, not a dearth, of skill. This is the major lesson of the paradox of skill. As Napoleon was reported to say, "Ability is nothing without opportunity."

Michael Mauboussin, Credit Suisse | 0.75 CE