📖David Swensen

Inversion Thinking

🌿 Intermediate★★★★★

Invert problems to find insights forward thinking misses.

💬

Instead of asking how to succeed, ask how to avoid failure. Inverting problems often reveals insights that forward thinking misses.

— Pioneering Portfolio Management,2000

🏠 Everyday Analogy

A process is like a pilot checklist: discipline prevents simple mistakes when pressure rises and keeps outcomes more repeatable.

📖 Core Interpretation

David Swensen advocates a repeatable process: define criteria, execute consistently, and review decisions against evidence. Process quality drives outcome consistency.
💎 Key Insight:Avoiding failure is often more productive than pursuing success.

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❓ Why It Matters

Without process, there is no reliable feedback loop. Structured execution and review improve decision quality over time.

🎯 How to Practice

Run a decision loop of research, thesis, execution, and post-mortem; document assumptions and update playbooks with evidence, not hindsight bias.

⚠️ Common Pitfalls

Having opinions without execution criteria
Reviewing outcomes but not decisions
Abandoning rules during volatility spikes

📚 Case Studies

1
Global Financial Crisis (2008)
As equities and illiquid assets plunged, Swensen’s disciplined rebalancing shifted funds from Treasuries and bonds back into depressed equities and alternative assets despite market panic.
✨ Outcome:Positioned the endowment for strong post-2009 recovery, outperforming many peers that de-risked near the bottom.
2
Tech Bubble Resistance (2000)
Amid the dot-com boom, Swensen refused to chase soaring tech stocks, keeping Yale’s portfolio diversified and underweight in high-flying internet names.
✨ Outcome:Avoided the worst of the 2000–2002 crash, preserving capital while many tech-heavy portfolios suffered steep losses.

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