Guides to the consulting interview
Guides 325 to 360 of 417, newest first.
Digital Transformation Cases 2026: Payback in Year 5
A digital transformation case sold as a 24 percent cost cut pays back in 4.2 years once adoption is applied, against the 1.5 years its headline implies.
Case Interview Drills 2026: Score One Skill at a Time
Six rubrics from our own code, the weight on every dimension, one margin drill scored three ways, and the three scores we measured and would not defend.
Driver Trees 2026: Where the Number Actually Comes From
A ferry route revenue tree solved to the dollar, next to the eight-line volume tree Oliver Wyman publishes on its Poseidon case and recalculated here by hand.
Energy Cases 2026: Spark Spread and Capacity Factor
A 500 MW gas plant worked in cents per kilowatt hour, the rate class that doubles the price, and why the capacity factor a plant needs can exceed 100 percent.
ESG Case Interviews 2026: Cost Per Metric Ton Avoided
An ESG prompt sets a tonnage target, so the metric is cost per metric ton avoided. Three levers priced from EPA and EIA data, and the ranking inverts.
EY-Parthenon Case Interview 2026: Complete Prep Guide
What an EY-Parthenon case interview is, the round structure one country page prints, what the firm says its cases test, and a six week plan to get ready for it.
Financial Services Cases 2026: Basis Points on a Stock
A wealth manager case where revenue is a fee on an asset stock, ten basis points of pricing decides the margin, and the cash sweep is a second business.
Fintech Cases 2026: A Take Rate Set by the Regulator
A debit program worked cent by cent from the Federal Reserve's own figures, where the revenue ceiling is written in a rule and a bigger basket adds nothing.
Charles River Associates Case Interview 2026: Show Your Math
CRA names four interview styles, says a case usually has no single correct answer, and runs two entry tracks with different paperwork. Plus a worked case.
Kearney Case Interview 2026: Skip the Standard Framework
Kearney tells candidates not to force a solution into a standard framework, and to say when they are stuck. Nine published instructions, read closely.
Monitor Deloitte Case Interview 2026: A Unit Inside Deloitte
Monitor Deloitte is a strategy offering inside Deloitte, and only some countries recruit under the name. The doors that exist, with dates, and the cases.
Simon-Kucher Case Interview 2026: Where AI Skill Counts
Simon-Kucher says it values your ability to work with AI-supported tools. McKinsey bans them in the room. Both are published, and a pricing case worked in full.
What Is Alvarez & Marsal in 2026: Who Wound Up Lehman
Alvarez & Marsal is the turnaround firm chosen to wind down Lehman Brothers. Thirteen practices, 94 offices, and three different headcounts on its own pages.
ZS Associates Case Interview 2026: Four Interview Types
ZS publishes three full practice cases with answers, four named interview types and a rounds count. Here is what its own pages say, and what they omit.
First Principles Structuring 2026: Deriving the Tree
A parking garage restated in space-hours, where a contract space earns $0.34 an hour and a transient space earns $1.39, plus the assumption deciding it.
First Round vs Final Round 2026: What Is Published
One firm publishes a round structure and it is regional. Six eliminatory stages compound to 26 percent at a 0.8 pass rate, and that sets the priority.
Framework Mistakes 2026: The Six Named Failure Modes
Six ways a case structure fails, each one priced: a $5M overlap, a 6.5x spread from the wrong base, and 22 percent of a case budget gone before any analysis.
The 4Cs Framework 2026: Adding Cost Creates Overlap
Cost repairs the missing term in the three Cs and opens a seam. A contract manufacturer's statement, and eight cost lines that two headings both claim.
Commercial Due Diligence 2026: Bought or Earned Growth
A calibration lab growing 7.4 percent a year turns out to grow 3.6 percent organically, and a 9.0x price turns out to be 9.6x. Both recalculated by hand here.
Market Sizing Questions: What the Four Dimensions Score
Market sizing questions are graded on scope, assumption chain, arithmetic and sanity check. What each asks for, which one candidates lose, and a case rebuilt.
NPV in Case Interviews: The Discount Rate Decides It
Discount the same five cash flows at 7, 12 and 20 percent and the answer runs from plus 23 to minus 10. Worked factors, and the one published rate we found.
Porter's Five Forces 2026: Definition, Example, and Limits
The five forces defined by the institution that hosts the author, a worked example splitting a hundred dollars of end price, and what the model cannot explain.
Profitability Framework 2026: Every Number Computed
One profit case worked end to end on the profitability framework: the prompt, the four-term split, the arithmetic, the exhibit, and a priced recommendation.
Economies of Scale 2026: The Ceiling on Margin Gains
Economies of scale defined, then the single formula that caps how far growth can lift margin, worked on two published cases with opposite cost structures.
SWOT in Case Interviews 2026: Counting the Overlap
Eight facts from a published retail case sorted into four boxes. Half of them land twice with opposite signs, and the weakness clears itself in year three.
The Free Tools: Thirteen Addresses and What Grades
Every tool that opens without an account, what each one does, the weights behind the six graded drills, and a firm's published break-even reproduced in one.
The Growth Share Matrix 2026: What BCG Measured Later
The BCG matrix in its 1970 text, its first rule tying margin to share, and the 2014 study the same firm published asking for its horizontal axis to be replaced.
Guided Cases: Prompts, Fifty-Seven Cases, One Clock
What a prompted case does that a transcript cannot, the exact mix of our fifty-seven cases, and two full cases a firm publishes free with their answers.
Healthcare Cases 2026: The Per Member Per Month Trap
A health plan worked per member per month, where utilization is counted per thousand members a year and the loss ratio has a floor that punishes cutting cost.
Impact Effort Matrix 2026: How to Build and Use One
An impact effort matrix sorts ideas by value returned and work spent. The four quadrants, four ideas priced in dollars, and the six steps to build one.
Insurance Cases 2026: The Combined Ratio and the Float
A homeowners insurer worked from claim frequency up to a combined ratio of 98.2, then the float that keeps it earning at 104, and the price of ceded limit.
Issue Trees 2026: Building One From the Client Decision
A water utility loss tree built branch by branch, priced in dollars per branch, against the decomposition steps Oliver Wyman, Deloitte and CRA publish.
Learning Mode: Seven Lessons and Fifty-Six Minutes
The stage before drilling pays. Every lesson with its length, what each one is paired with, and the point at which learning becomes the expensive option.
Life Sciences Cases 2026: An Installed Base and a Test
A diagnostics case priced per test rather than per instrument, against a Medicare fee schedule that can fall fifteen percent a year for three years running.
M&A Cases 2026: The Delivery Rate a Premium Demands
An M&A case where 85.4 percent of the cost savings have to be delivered before a $255M price is justified, and margin dilutes to 11.7 percent until then.
Market Attractiveness 2026: Access Is the Fifth Test
A published pharmacy case clears a two year payback bar by the firm's reading and misses it by a week on recomputation. Plus the test that decides entries.