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Case interview frameworks

Every prep list on the internet will hand you the same framework skeletons — profitability, market entry, the four Cs. What none of them can show you is how a consultant builds one: which branch opens the tree, why revenue comes before cost here, and when the “standard” structure is the wrong one. This free lesson builds seven core framework trees branch by branch on the page — each one landing where a real case would use it — then recaps the toolkit on a single card wall you can revise from. Frameworks are commodity knowledge; this is how they become yours.

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Chapter: 3 · Building your structure·Format: interactive, reads like a lesson·Cost: free, no card
A sample of the first framework tree in this lesson, shown as it builds in the lesson.

Framework 1

Profitability — why is profit falling?

  • Profit = revenue − costs
  • Revenue: price × volume
  • Price nuances — discounting, mix, bundling, willingness to pay
  • Volume nuances — customers, frequency, retention, usage

Structure phase

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What the lesson builds

One phase, built in beats: each framework tree grows on the page — branches landing with the beat that argues for them — and a recap wall closes the lesson.

The trees

Seven core frameworks — profitability, market entry, and the rest of the toolkit — built branch by branch, with the “why this tree here” reasoning carried in the narration.

The judgement

Where the standard tree bends: which branches collapse, which questions re-order them, and how a tailored structure beats a memorised one.

The recap

A card wall of the whole toolkit to close the lesson — the revision surface you will actually come back to.

The other free lessons: How a case unfolds → Case interview math →

Build one on a real brief

Case Ace’s Structure drills hand you a real brief and mark the structure you build against it — in about two minutes each. There are 221 drills across nine skills, inside 35 lessons and 46 AI-run cases.

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Free account, saved progress

The first part of the lesson is open to everyone. Create a free account — ten seconds, email or Google/Microsoft — and the whole lesson opens, your spot is saved, and the drills unlock.

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