=== SUMMARY ===
- Post praises Columbia University Professor Paul Johnson’s case studies over his formal course material.
- Author suggests practical case-study “reps” are more valuable than qualitative MBA-style theory.
- Mentions Wharton Online coursework is shared free but does not discuss any specific investment.
- Quality assessment: Noise — this is a commentary on investing education, not market or company analysis.
=== SENTIMENT ===
NEUTRAL
=== TRADE IDEAS ===
No actionable trade ideas in this post.