📖Li Lu

Understand Before Investing

🌱 Beginner★★★★★

Only invest in what you can explain simply.

💬

Never invest in a business you cannot explain in simple terms. If you can't describe why a company is valuable, you don't understand it well enough to own it.

— Li Lu Columbia Lectures,2010

🏠 Everyday Analogy

Analyzing a business is like choosing a long-term partner. Temporary excitement matters less than durable character, capability, and consistency.

📖 Core Interpretation

Li Lu emphasizes durable business quality over short-term noise. A strong model, real competitive edge, and disciplined capital allocation matter more than quarterly excitement.
💎 Key Insight:Simplicity of explanation tests depth of understanding.

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❓ Why It Matters

Without business-quality filters, investors drift toward stories rather than economics. Durable cash generation is what supports long-term valuation.

🎯 How to Practice

Use a checklist covering moat, management, unit economics, and capital allocation; track long-term cash generation instead of quarter-to-quarter noise.

⚠️ Common Pitfalls

Buying narratives instead of cash-generating economics
Overreacting to short-term operating noise
Ignoring management quality and capital allocation

📚 Case Studies

1
Post‑SARS Chinese Banks Review (2003)
Li Lu studied major Chinese banks after SARS, focusing on their deposit franchises, regulatory protection, and scale advantages as moat characteristics.
✨ Outcome:Selected top institutions with strong moats and avoided weaker lenders, resulting in superior long‑term returns versus the Chinese financial sector.
2
BYD Governance Concerns (2011)
Investor skepticism arose over BYD’s related‑party transactions and rapid equity issuance, raising questions about capital allocation discipline and minority shareholder treatment.
✨ Outcome:Li Lu engaged with management, judged integrity and long‑term focus intact, maintained position; BYD later compounded significantly in value.

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