Michigan Ross Case Book: Formula-Led Profitability Practice

The Ross case book reviewed for this guide is the Ross Casebook 2019, despite the build brief's provisional 2025 label. That edition identifies the 2019-2020 Consulting Club at Ross board and lists 14 cases. Road to Offer does not distribute it; edition, count, and case titles below describe the 2019 book so you know what you are looking for if you obtain it from the club. Ross's distinctive value appears before the first case: a two-page formula review followed by industry primers for airlines, automotive, banking, healthcare, technology, nonprofits, oil and gas, pharmaceuticals, private equity, and retail. The formulas cover NPV, Little's Law, profitability, breakeven, margins, ROA, ROE, DuPont analysis, working capital, and the income statement. The book is therefore useful for candidates who know what a case is but still need a disciplined bridge from equation to business implication. A formula is not the answer. It is a test that must change the decision. Source: packaged Ross 2019 PDF; inspected 2026-07-19.

Where to get the Michigan Ross casebook

Road to Offer does not distribute the Ross casebook. The file that has circulated online as the "Ross Casebook 2019" is a compilation that reproduces other schools' materials, including books their clubs mark as members-only, so we do not host it. This page describes the edition and the formula-to-implication method; for casebooks you can download right now, use the vault above, then practice the cases with scored feedback.

What is the Michigan Ross case book best for?

The 2019 Michigan Ross case book is a 14-case general-management resource with dedicated formula and industry primers. It is best for candidates who need to move from selecting an equation to explaining the operational decision behind the result. (Source: packaged Ross PDF; inspected 2026-07-19.)

What is inside the Ross formula primer?

The primer's usefulness is not the number of formulas. It is the range of decisions they support. NPV and the Rule of 72 address money over time. Little's Law and inventory turns address flow and working capital. Profit, breakeven, margin, and markup address unit economics. ROA, ROE, and DuPont analysis separate operating efficiency, asset utilization, and leverage. The income-statement bridge keeps revenue, COGS, SG&A, depreciation, interest, and tax in the right order. (Source: packaged Ross PDF, printed pages 9 to 10; inspected 2026-07-19.)

Use a ratio only when the case supplies the necessary inputs. The 14-case inventory does not force every primer formula into a prompt, so do not invent a DuPont calculation where the source case only supports profit or breakeven.

What cases are in the Michigan Ross case book?

Source for every row: packaged Ross PDF table of contents, printed page 3; inspected 2026-07-19.

Worked Michigan Ross mini-case: American Bank ATM Dilemma

American Bank has 12,000 ATMs and declining operating profit. The case traces the problem to fewer daily transactions, especially at vendor-operated ATMs in the Northeast and West-Pacific regions. Vendor management can restore 20 additional daily hits per affected ATM. Using the case's transaction mix and revenue per hit, the book calculates $86,250 in additional revenue from better uptime. Changing the mix toward more non-customer and financial transactions adds another $204,000. Total profit improvement is therefore $290,250, with no stated incremental cost in that calculation. (Source: American Bank ATM Dilemma, printed pages 25 to 39; inspected 2026-07-19.)

The case also supplies a clean breakeven test. Assume equal splits between financial and non-financial transactions and between the bank's customers and other customers. Bank-owned, bank-operated ATMs cost $100 per day and average $2 per hit across the four revenue cells, so breakeven is 50 daily hits. Bank-owned, vendor-operated ATMs cost $60 and average $1.50 per hit, so breakeven is 40 daily hits.

Business implication: do not shut ATMs based on a regional average. First repair vendor uptime, then improve transaction mix, then compare each bank-owned ATM with the relevant 50-hit or 40-hit threshold. The main risk is that vendor-management and marketing costs erase part of the modeled gain. The next step is an ATM-level profitability list that includes those implementation costs.

This mini-case differs from Booth's investment-hurdle example. Ross uses the formula primer to move from operating diagnosis to channel-level action, with transaction mix and ownership structure changing the equation.

What is Ross strong at, and where is it limited?

Ross is strong at quantitative setup, industry context, and cases that connect finance with a general-management decision. It suits candidates who keep making one of four mistakes: choosing the wrong formula, dropping units, calculating correctly without interpretation, or recommending an action unsupported by the result. Its limitation is that a formula-rich primer can tempt beginners to start with a metric instead of the client objective. Prevent that by writing the decision question before the equation.

How should Ross pair with Road to Offer?

After a Ross case, label the failure as setup, arithmetic, interpretation, or synthesis. Run one matched case before adding more PDF volume. Road to Offer's current free window includes 1 full case plus 3 drills per day for 3 days. Voice requires Pro, club access, or credits. Pro is $49 per month and Annual is $249 per year. (Product terms supplied for this build, 2026-07-18.)

Sources

• Ross Casebook 2019 (2019-2020 Consulting Club at Ross edition), inspected 2026-07-19. Road to Offer does not distribute this file.
• Michigan Ross Case Book article brief, dated 2026-07-17. Its provisional 2025 edition claim was omitted because the packaged asset is 2019.
• Road to Offer casebook collection registry and signup-first CTA wrapper, inspected 2026-07-19.