Mauboussin applies insights from complex adaptive systems, behavioral finance, statistics, and decision science to investing. Process vs. outcome, base rates, reversion to the mean, and luck vs. skill — among the most intellectually stimulating chapters in investment literature. His emphasis on asking 'what is the base rate?' before analyzing any specific situation is a permanent upgrade to your thinking.

The case for it, the case against, and the rest of the canon open with Pro.