Munger Worldly Wisdom

Apply multidisciplinary mental models to make few, high-conviction decisions within your circle of competence.

When to Use

✅ Use for: Investment decisions, business strategy, complex problem-solving, evaluating competitive advantages, designing incentive systems, long-term capital allocation, avoiding cognitive biases ❌ NOT for: High-frequency trading, technical analysis, single-discipline academic research, speculative opportunities outside competence, situations requiring immediate action without analysis

Core Process

Investment Decision Tree

1. Three-Basket Screen
   ├─ Can I understand this business deeply?
   │  ├─ NO → Reject immediately (pharmaceuticals, complex tech)
   │  ├─ TOO COMPLEX → Reject immediately 
   │  └─ YES → Continue to step 2
   │
2. Competitive Moat Assessment
   ├─ Does it have durable competitive advantages?