Thinking, Fast and Slow

Daniel Kahneman’s book on the psychology of judgment, referenced across Kyle’s reading as the canonical account of the “heuristics and biases” program. In The Psychology of Money, Morgan Housel relays Jason Zweig’s account of co-writing the book with Kahneman — Zweig’s amazement at Kahneman’s willingness to “detonate” a draft they’d labored over and start fresh, capped by Kahneman’s line “I have no sunk costs.” The book is also the source Housel draws on for Kahneman’s observations about the hindsight illusion (the past’s explicability gives us a false sense that the world makes sense) and founder overconfidence (entrepreneurs who insist their outcome is 80%+ in their own hands, neglecting luck and competitors).

In Range, David Epstein uses the book for the same heuristics-and-biases lens, but to a more skeptical end: Kahneman’s finding that experience often bred confidence without skill — and that whether experience produces real expertise depends on whether a domain is “kind” (chess, golf, firefighting, where patterns repeat) or “wicked” (predicting financial or political trends, employee performance, where they don’t). Epstein highlights Kahneman’s 2009 paper co-authored with Gary Klein, where the two reconciled their opposing views by agreeing the answer hinges on the domain.

Context: Thinking, Fast and Slow (2011) is Kahneman’s bestselling synthesis of decades of research with Amos Tversky, organized around the metaphor of two cognitive systems — fast, intuitive “System 1” and slow, deliberate “System 2.” Kahneman won the 2002 Nobel Memorial Prize in Economics for prospect theory.

Where this appears

• The Psychology of Money — Housel cites the book for the “I have no sunk costs” anecdote (via Jason Zweig) and Kahneman’s work on hindsight illusion and founder overconfidence.
• Range — Epstein draws on the book’s heuristics-and-biases account of expert overconfidence and the kind-vs-wicked-domains distinction.