📖Julian Robertson
Systematic Investment Approach
A systematic approach ensures consistent investing.
A systematic approach to investing removes emotion and ensures consistency. Document your process, follow your rules, and review regularly.
🏠 Everyday Analogy
📖 Core Interpretation
Julian Robertson advocates a repeatable process: define criteria, execute consistently, and review decisions against evidence. Process quality drives outcome consistency.
💎 Key Insight：Systematic processes outperform ad hoc decisions.
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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
Internet Bubble Short (1999)
Assessed extreme competitive intensity and overcapacity among dot-com startups, many with no durable edge.
✨ Outcome：Shorted a basket of overvalued internet stocks; positions profited when bubble burst in 2000-2002.
2
Airline Price Wars (1987)
Analyzed brutal fare competition and weak balance sheets across U.S. airlines before the crash.
✨ Outcome：Avoided or shorted several carriers; protected capital as sector suffered heavy losses after 1987 market break.
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