Commoncog
Commoncog Case Library

Home of the calibration case method.

Accelerate your understanding of business by browsing our case selections. Pick a concept, and then read the cases within them. As you read, compare and contrast between each case: what are some surprising similarities? What are some surprising dissimilarities?

Doing this simulates what experts do when they examine cases in business and investing. Learn more →

Full access to the Case Library is a premium feature for Commoncog Members.

  • 100+ cases, 20+ concept series

    And growing! The case library receives steady updates of new Calibration Cases.

  • Progress tracking

    Mark cases as read, and view your progress through a concept series.

  • E-mail notifications

    Know when a new case is published, or new series begins.

Recent Concepts

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Scale Economies

16 cases

A collection of cases on scale economies as a competitive advantage.

Turnarounds

8 cases

Cases of companies going through turnarounds — either successfully or no.

Navigating Disruptive Shifts

11 cases

How businesses and businesspeople deal with disruptive shifts — where something they believed to be true, or that they had built their business around, changes at a fundamental level.

Competitive Arbitrage

9 cases

The central problem of business is that you find something lucrative, and then competitors copy you and drive profits down to the opportunity cost of capital. This is what that looks like.

Business Expansion

8 cases

Business expansion can be fraught with danger. This concept sequence covers cases of companies that grew successfully, as well as those that died from over-expansion.

Branding

7 cases

Branding is one of the hardest competitive moats to build, and one of the most powerful.

New Cases

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