Episode 382: Ted Cadsby - The Power of Index Funds, and Being Human

What It Covers

Ted Cadsby, former CIBC executive and author of The Power of Index Funds, discusses his pioneering work bringing index investing to Canada in 1999, the challenges of promoting low-fee products at major banks, and five cognitive design flaws that make investing difficult.

Key Questions Answered

• •Active Manager Evaluation: Separating skill from luck in active management proves extraordinarily difficult because signal is buried in statistical noise. Unknown unknowns like TD's money laundering scandal or CIBC's billion-dollar subprime write-down can swamp any analysis, making sustainable outperformance rare even when insiders are last to know about problems.
• •CIBC Index Fund Leadership: Cadsby transformed CIBC from mutual fund industry laggard to highest sales in Canada within two years by launching index fund family with two-tier pricing. Success ended when new CEO from investment banking background forced choice between media presence and career advancement, moving him out of spotlight.
• •Greedy Reductionism Flaw: Humans oversimplify complex phenomena by reducing them to simple cause-effect relationships. In investing, this manifests as using past performance to predict future results. Combat this by adopting systems thinking mindset, persistent question-asking, and understanding randomness streakiness—47% probability of four heads or tails in six coin flips.
• •Certainty Addiction Problem: Brains lock down on first satisfying explanation rather than exploring alternatives, leading to overconfidence in complex situations. Counter this by thinking probabilistically—force yourself to assign percentage likelihood to beliefs rather than binary true-false judgments, maintaining skeptical mindset especially with information overload.
• •Metacognition as Solution: Humans uniquely possess ability to think about thinking, enabling self-distancing from automatic thought processes. Practice meditative stance by taking deep breaths, using third-person self-talk, and asking whether strong negative emotions warrant action plans or should dissipate. Build this muscle daily through deliberate practice.