Glossary
311 terms that come up in case interviews, explained in plain words, from MECE to EBITDA and CAGR. Open any term for the full explanation and an example.
Browse by topic (29 topics)
Structuring
- MECE
Buckets that do not overlap and together cover everything.
- Issue tree
A branching diagram that breaks a problem into smaller parts.
- Driver tree
An issue tree built from the numbers that drive an outcome.
- Hypothesis
Your best early guess at the answer, which you then test.
- Sensitivity analysis
Changing one assumption at a time to see which matters most.
- Pareto principle (80/20)
A small share of causes often drives a large share of results.
Communication
- Top-down communication
Say the answer first, then the reasons.
- Synthesis
Pulling the findings into a clear so-what and recommendation.
- So-what
The single most important takeaway from a fact or exhibit.
- Pyramid Principle
Answer first, then grouped reasons, each backed by facts.
Quantitative
- Exhibit
A chart or table the interviewer hands you to reason from.
- Percent versus percentage points
A change in a rate is measured in points; its relative change in percent.
- CAGR (compound annual growth rate)
The steady yearly growth rate that links a start value to an end value.
- Rule of 72
Years to double is about 72 divided by the growth rate.
- Weighted average
An average where each part counts in proportion to its size.
- Lakh and crore
Indian number units: 1 lakh = 100,000 and 1 crore = 10 million.
- Run rate
Current performance scaled up to a full year.
- Market sizing
Estimating how big a market or quantity is.
- Top-down sizing
Start from a big total and narrow it down.
- Bottom-up sizing
Start from a small unit and scale it up.
Finance and accounting
- Profit
The money left over after costs. Revenue minus cost.
- Revenue
Money earned from sales, before costs.
- Cost
What it takes to make and sell the product in a period.
- Fixed cost
A cost that stays the same when volume changes, within a normal range.
- Variable cost
A cost that rises and falls with how much you make.
- Semi-variable cost
A cost with a fixed part and a part that moves with volume.
- Step cost
A cost that is flat over a range, then jumps.
- Marginal cost
The extra cost of making one more unit.
- Margin
Profit on a sale, as an amount per unit or as a percent of price.
- Markup
How much you add on top of cost to set the price.
- COGS (cost of goods sold)
The direct cost of making the products that were sold.
- Gross profit and gross margin
Revenue minus the cost of goods sold, as an amount or a percent.
- Contribution
What each sale adds after its own variable cost.
- Contribution margin
Revenue minus all variable costs, as an amount or a percent of revenue.
- Breakeven
The volume or revenue at which profit is exactly zero.
- Opex (operating expenses)
Running costs that are not part of COGS.
- EBIT and operating profit
Profit from operations, before interest and tax.
- EBITDA
Earnings before interest, taxes, depreciation and amortization.
- Net income
Profit after every cost, including interest and tax.
- Capex (capital expenditure)
Spending on long-lived assets such as machines and buildings.
- Depreciation and amortization
Spreading the cost of a long-lived asset over its useful life.
- Income statement (P&L)
Revenue, costs and profit over a period.
- Balance sheet
What a company owns and owes at one point in time.
- Cash flow statement
Where cash came from and where it went.
- Free cash flow
Cash from operations minus capital expenditure.
- Working capital
Cash tied up in running the business day to day.
- Operating leverage
How much profit swings when revenue changes, because of fixed costs.
- Sunk cost
Money already spent that cannot be recovered.
- Opportunity cost
The value of the best option you give up.
- VAT and GST
Sales taxes collected by businesses for the government.
Valuation and investment
- Return on investment (ROI)
The gain from an investment relative to its cost.
- Payback period
How long until an investment earns back its cost.
- Time value of money
Money today is worth more than the same money later.
- Discount rate and hurdle rate
The rate used to turn future cash into today's value.
- Cost of capital (WACC)
The return a company must earn to satisfy its lenders and owners.
- Net present value (NPV)
Today's value of all future cash flows, minus the upfront investment.
- IRR (internal rate of return)
The discount rate at which NPV is exactly zero.
- DCF (discounted cash flow)
Valuing a business from the future cash it will generate.
- Enterprise value (EV) and EV/EBITDA
The value of the whole business, to lenders and owners together.
- Valuation multiple
Value as a multiple of a financial measure, based on similar companies.
- MOIC (multiple on invested capital)
How many times the money invested comes back.
- LBO (leveraged buyout)
Buying a company mostly with borrowed money.
- Synergy
Extra value created when two businesses combine.
- Due diligence
Careful checking of a target before you buy it.
Customers and pricing
- TAM, SAM and SOM
Total market, the part you can serve, and the part you can win.
- Penetration rate
The share of potential customers who already use the product.
- ARPU (average revenue per user)
Revenue divided by the average number of users.
- AOV (average order value)
Revenue divided by the number of orders.
- CAC (customer acquisition cost)
What it costs, on average, to win one new customer.
- CLV (customer lifetime value)
The profit a customer is expected to bring over the whole relationship.
- Churn and retention
The share of customers who leave in a period, and the share who stay.
- Price elasticity of demand
How strongly the quantity sold reacts to a change in price.
- Economic value to the customer (EVC)
The most a rational customer should pay, given their next best option.
- Value-based pricing
Setting the price from what the product is worth to the customer.
- Cost-plus pricing
Price = cost plus a fixed markup.
- Price discrimination
Charging different customers different prices for the same product.
- Bundling
Selling several products together for one price.
- Cannibalization
A new product taking sales from the company's own products.
- Unit economics
The revenue and cost of one unit: one product, order or customer.
Strategy
- Economies of scale
Cost per unit falls as volume rises.
- Economies of scope
Cost falls when related products share resources.
- Barriers to entry
What makes it hard for new competitors to enter a market.
- Switching costs
The cost or effort for a customer to change supplier.
- Network effects
A product becomes more valuable as more people use it.
- Competitive advantage
What lets a firm earn more than its rivals over time.
- Vertical integration
Owning more stages of your own supply chain.
- Horizontal integration
Combining with firms at the same stage, often competitors.
- Commoditization
When products become interchangeable and compete mainly on price.
Frameworks
- Porter's Five Forces
Five pressures that shape how profitable an industry is.
- Porter's generic strategies
Compete on lowest cost, on being different, or by focusing on a niche.
- BCG growth-share matrix
Sorting businesses by market growth and relative market share.
- Ansoff matrix
Four growth routes: existing or new products in existing or new markets.
- McKinsey 7S framework
Seven parts of an organization that must fit together.
- SWOT analysis
Strengths, weaknesses, opportunities and threats.
- PESTEL analysis
Political, economic, social, technological, environmental and legal factors.
- Value chain
The activities a firm performs to create and deliver value.
- The three Cs
Customer, company, competitors: three angles on a market.
- The four Ps
Product, price, place, promotion: the marketing mix.
- Framework
A reusable way to break down a common kind of problem.
Operations
- Bottleneck
The slowest step, which limits the output of the whole process.
- Capacity utilization
Actual output as a share of the most that could be produced.
- Little's law
Items in a system = arrival rate × time each item spends in it.
- Inventory turnover
How many times stock is sold and replaced in a year.
- Landed cost
The full cost of getting a product to your door, not just its purchase price.
- Cash conversion cycle (CCC)
How many days cash is tied up between paying suppliers and collecting from customers.
- Service level (fill rate and OTIF)
How reliably a supplier delivers what was ordered, measured by fill rate and on time in full.
- Bullwhip effect
Small changes in shopper demand grow into large swings in orders further up the supply chain.
- Safety stock
Extra inventory held to protect against demand spikes or late deliveries.
- Lead time
The time from placing an order to receiving it.
- Profit pool
The total profit earned across an industry, and how it splits between steps of the value chain.
Formats
- Interviewer-led case
The interviewer drives through set steps.
- Candidate-led case
You drive the structure and the path.
Fit
- Personal Experience Interview (PEI)
A deep, structured dig into one of your real stories.
- STAR (Situation, Task, Action, Result)
A clean shape for telling a story.
- Fit interview
The personal half of the interview, about you.
Recruiting
- On-cycle vs off-cycle recruiting
The main hiring season versus hiring in between.
Assessments
- Gamified problem-solving assessment
A timed, interactive screen that tests how you think.
- Chatbot-led digital case
A timed online case run by a chatbot, ending with a recorded video.
Banking
- Net interest margin (NIM)
What a bank earns on its loans and investments after paying for its funding, as a share of those assets.
- Cost-to-income ratio
Operating costs as a share of operating income. Lower means a more efficient bank.
- Cost of risk
Loan loss charges as a share of loans, usually quoted in basis points.
- Non-performing loan (NPL) ratio
The share of a bank's loans that borrowers have stopped paying.
- CET1 capital ratio (and risk-weighted assets)
A bank's highest-quality capital as a share of its risk-weighted assets.
- Liquidity coverage ratio (LCR)
Whether a bank holds enough easy-to-sell assets to survive 30 days of stress.
- Loan-to-deposit ratio (LDR)
Loans divided by deposits: how much of its deposit base a bank has lent out.
- CASA ratio
The share of deposits held in low-cost current and savings accounts.
- Return on equity (ROE)
Net income as a share of shareholders' equity.
- Deposit beta
The share of a change in policy interest rates that a bank passes on to depositors.
- Murabaha
An Islamic finance sale at cost plus an agreed profit, usually paid in instalments.
- Ijara
An Islamic finance lease: the bank owns the asset and rents it to the customer.
- Sukuk
Islamic certificates that give investors a share in assets, used in place of bonds.
Insurance
- Loss ratio
Claims as a share of premiums earned.
- Expense ratio (insurance)
An insurer's costs of selling and running policies as a share of premiums.
- Combined ratio
Loss ratio plus expense ratio. Below 100 percent means an underwriting profit.
- Reinsurance
Insurance for insurance companies.
- Float (insurance)
Premiums an insurer holds and invests before it pays claims.
- Persistency
The share of policies still in force and paying after a set time.
- Takaful
Islamic insurance built on mutual help, where members share each other's losses.
Payments and fintech
- Interchange fee
The fee the merchant's bank pays the cardholder's bank on each card payment.
- Merchant discount rate (MDR)
The total fee a merchant pays to accept a card or digital payment.
- Issuer
The bank or firm that gives a customer a card and, for credit cards, takes the credit risk.
- Acquirer
The bank or firm that lets a merchant accept card payments.
- Card scheme (card network)
The network that sets the rules and connects issuers and acquirers, such as Visa or Mastercard.
- Take rate
The share of each transaction's value that a platform keeps as revenue.
- Basis points (bps)
One hundredth of a percent: 100 basis points make 1 percent.
- Buy now, pay later (BNPL)
Paying for a purchase in a few interest-free instalments, with the merchant paying a fee.
- Real-time payments
Account-to-account transfers that settle in seconds, at any hour.
Asset management and funds
- Assets under management (AUM)
The total market value of the money a firm manages for clients.
- Net flows (net new money)
New client money coming in minus money taken out.
- Active versus passive investing
Trying to beat the market versus simply tracking it at low cost.
- Sovereign wealth fund (SWF)
A state-owned investment fund, often built from oil revenues or reserves.
- General partner (GP)
The firm that raises and runs a private equity or venture fund.
- Limited partner (LP)
An investor that puts money into a private equity or venture fund.
- Carried interest (carry)
The general partner's share of a fund's profits, usually 20 percent.
- Hurdle rate
The minimum return a project or fund must beat before it counts as worth doing.
- Dry powder
Money investors have committed to funds but that has not yet been invested.
- Commercial due diligence (CDD)
Checking the market and competitive case behind an investment before the deal.
- Power law (venture capital)
In venture capital, a few big winners produce most of the returns.
Software and internet platforms
- Annual recurring revenue (ARR)
The yearly value of all active subscription contracts at a point in time.
- Net revenue retention (NRR)
How much recurring revenue a group of existing customers brings in a year later.
- CAC payback period
How many months of gross profit it takes to earn back the cost of winning a customer.
- Rule of 40
A software company's growth rate plus its profit margin should add up to at least 40 percent.
- Gross merchandise value (GMV)
The total value of goods or services sold through a platform.
- CPM (cost per thousand impressions)
The price an advertiser pays for 1,000 views of an ad.
- CPC (cost per click)
The price an advertiser pays each time someone clicks an ad.
- ROAS (return on ad spend)
Revenue earned for each unit spent on advertising.
- Super-app
One app that bundles many services, such as messaging, payments, rides and shopping.
- Multi-homing
When users or sellers use several competing platforms at the same time.
Telecom, chips and data centers
- Spectrum
The radio frequencies mobile operators license from governments to carry signals.
- Capex intensity
Capital spending as a share of revenue.
- Take-up rate
The share of homes or customers who could buy a service that actually do.
- Fabless
A chip company that designs chips but has them made by someone else.
- Foundry
A company that manufactures chips designed by other firms.
- Yield (manufacturing)
The share of units made that come out good enough to sell.
- PUE (power usage effectiveness)
Total data center power divided by the power used by the computing equipment.
Retail and consumer goods
- Like-for-like sales (LFL)
Sales growth from stores open in both periods, leaving out new and closed stores.
- Sales per square metre
Store sales divided by selling space: how productive the space is.
- Shrink (shrinkage)
Inventory lost to theft, damage, errors or spoilage.
- Markdown
A lasting price cut to clear stock that is not selling.
- Sell-through rate
The share of stock received that has been sold within a period.
- Private label (own brand)
Products sold under the retailer's own brand rather than a manufacturer's.
- Trade spend
The money brands pay retailers and distributors to stock, display and discount their products.
- Gross-to-net
The gap between list price and the net price a company actually keeps.
- Modern trade
Organized retail chains such as supermarkets, hypermarkets and e-commerce.
- General trade
Small independent shops, such as kiranas in India, reached through distributors.
- Numeric distribution
The share of all relevant stores that stock a product.
- Weighted distribution
The share of total category sales made by the stores that stock a product.
- Rate of sale
How many units a product sells per store per week, in the stores that stock it.
- MRP (maximum retail price, India)
The highest price, including all taxes, at which a packaged product can legally be sold in India.
- First-party (1P) versus marketplace (3P)
Selling your own stock versus letting other sellers sell on your platform for a fee.
- Dark store
A small warehouse, closed to shoppers, used only to fill online orders quickly.
- Quick commerce
Delivering groceries and daily items in about 10 to 30 minutes.
- Last mile
The final step of delivery, from a local hub to the customer's door.
- Return rate
The share of items sold that customers send back.
Restaurants, hotels and travel
- Prime cost
Food and drink cost plus labour cost, the two biggest restaurant costs.
- Table turns
How many times each table is used by a new group in a meal period or day.
- Cover
One guest served a meal: the unit restaurants count.
- Same-store sales (comparable sales)
The US name for like-for-like sales: growth at restaurants or stores open in both periods.
- Average unit volume (AUV)
Average yearly sales per restaurant or store.
- Franchise royalty
The ongoing fee a franchisee pays the brand, usually a percentage of sales.
- Master franchise
The right to develop a brand across a whole country or region, including signing sub-franchisees.
- Delivery aggregator
An app that lists many restaurants and delivers their food for a commission.
- Occupancy rate
The share of available rooms (or beds) that are filled over a period.
- ADR (average daily rate)
The average price paid per hotel room sold.
- RevPAR (revenue per available room)
Rooms revenue divided by all rooms available: occupancy times ADR.
- GOP (gross operating profit)
A hotel's profit after the costs of running it, before fees, rent and ownership costs.
- Online travel agency (OTA)
A website or app that sells rooms and flights from many providers, such as Booking.com or Expedia.
- Management contract (hotels)
A deal where a hotel company runs a hotel it does not own, in return for fees.
- Asset-light model
Growing a business without owning the heavy assets, by franchising, managing or leasing them.
Aviation
- ASK (available seat kilometre)
One seat flown one kilometre: the standard measure of airline capacity.
- RPK (revenue passenger kilometre)
One paying passenger flown one kilometre: the standard measure of airline traffic.
- Load factor
The share of seats filled with paying passengers: RPK divided by ASK.
- Yield (airlines)
Passenger revenue per revenue passenger kilometre: the average fare per kilometre.
- RASK (revenue per available seat kilometre)
Total airline revenue divided by ASKs.
- CASK (cost per available seat kilometre)
Total airline operating cost divided by ASKs.
- Break-even load factor
The load factor at which revenue exactly covers costs at current fares.
- Fuel hedging
Locking in the price of part of future fuel to reduce the risk of price swings.
- Airport slot
Permission to use a busy airport at a set time to land or take off.
- Lease rate factor
Monthly aircraft rent as a share of the aircraft's value.
- Hub-and-spoke network
An airline network that routes passengers through a central airport to connect many cities.
- Low-cost carrier (LCC)
An airline built for the lowest cost per seat, selling cheap fares plus paid extras.
- Freedoms of the air
The international rights that let airlines fly over, land in and carry passengers between countries.
Media, luxury and education
- SVOD and AVOD
Streaming paid for by subscription (SVOD) versus paid for by advertising (AVOD).
- Fill rate (advertising)
The share of available ad slots that are actually sold and shown.
- Content amortization
Spreading the cost of films and shows as an expense over the years they are expected to earn.
- ARPPU (average revenue per paying user)
Revenue divided by only the users who pay, not all users.
- Payer conversion
The share of users who pay for something in a period.
- DAU/MAU ratio
Daily active users divided by monthly active users: how often people come back.
- Directly operated store (DOS)
A store the brand owns and runs itself, rather than selling through another retailer.
- Wholesale (fashion and luxury)
Selling goods to other retailers, such as department stores, which resell them.
- Travel retail
Shops in airports, on aircraft and at borders, often selling duty free.
- Constant currency growth
Growth measured as if exchange rates had not changed, to show the real business trend.
- K-12
School from kindergarten to grade 12, the final year of secondary school.
- Student-teacher ratio
The number of students for each teacher.
- Re-enrolment rate
The share of eligible students who return to the same school or course the next year.
- Completion rate
The share of learners who finish the course or program they started.
Healthcare and pharma
- Loss of exclusivity (LOE)
When a drug's patents and other protections end and cheaper copies can launch.
- Biosimilar
A near copy of a biologic medicine, approved as having no meaningful clinical difference.
- DRG (diagnosis-related group)
A system that pays hospitals a fixed amount per admission, based on the diagnosis and treatment.
- Capitation
Paying a provider a fixed amount per person per period, whatever care they use.
- Medical loss ratio (MLR)
The share of health insurance premiums spent on medical care and quality improvement.
- PMPM (per member per month)
A cost or revenue figure divided by the number of members and months, used by health plans.
- ARPOB (average revenue per occupied bed)
Hospital revenue divided by occupied bed days, a key measure for Indian hospital chains.
- Average length of stay (ALOS)
The average number of days patients stay in hospital per admission.
Public sector
- Public-private partnership (PPP)
A long-term contract in which a private company builds, finances or runs public infrastructure or services.
- Availability payment
A regular payment from government to a PPP partner for keeping an asset open and up to standard.
- Logic model
A chain from inputs to activities, outputs, outcomes and impact that shows how a program is meant to work.
- Additionality
The part of an outcome that would not have happened without the program or investment.
Energy and natural resources
- Barrel of oil equivalent (boe)
A unit that converts gas into barrels of oil by energy content, so oil and gas can be added together.
- Lifting cost
The cost of producing oil or gas from wells that already exist, per barrel.
- Full-cycle breakeven
The oil price a project needs to cover all its costs, including building it, and earn its required return.
- Fiscal breakeven oil price
The oil price a government needs to balance its budget.
- Crack spread (refining margin)
The gap between the price of crude oil and the prices of the fuels made from it.
- Netback
What a producer keeps per barrel after transport, royalties and production costs.
- Decline rate
How fast production from existing oil and gas wells falls each year without new investment.
- National oil company (NOC)
An oil and gas company owned or controlled by a government.
- OPEC+
A group of oil-producing countries, OPEC members plus other producers, that coordinate production targets.
- Production sharing contract (PSC)
A deal in which an oil company pays to find and produce oil and is repaid with a share of the output.
- LNG (liquefied natural gas)
Natural gas cooled into a liquid so it can be shipped across oceans.
- Force majeure
A contract clause that excuses a party when an extraordinary event outside its control stops it from performing.
- Capacity factor
A power plant's actual output as a share of what it could produce running at full power all the time.
- LCOE (levelized cost of electricity)
The average cost of each unit of electricity over a plant's life, including the cost of building it.
- Merit order
Running power plants from cheapest to most expensive running cost until demand is met.
- PPA (power purchase agreement)
A long-term contract to buy electricity from a generator at an agreed price.
- Independent power producer (IPP)
A private company that owns power plants and sells electricity to utilities or large buyers.
- Rate base
The value of a regulated utility's assets on which the regulator lets it earn a return.
- Curtailment
Deliberately cutting wind or solar output because the grid cannot take all of it.
- AT&C losses (aggregate technical and commercial losses)
The share of electricity put into a network that is never paid for, a key measure for Indian power distributors.
- Round-trip efficiency
The share of energy put into storage that comes back out.
- Ore grade
How much metal a tonne of ore contains.
- Recovery rate (mining)
The share of metal in the ore that processing actually captures.
- Strip ratio
Tonnes of waste rock removed for each tonne of ore in an open-pit mine.
- C1 cash cost
A mine's direct cash cost to produce one unit of metal, after by-product credits.
- AISC (all-in sustaining cost)
A gold miner's full cost to keep producing an ounce, including sustaining capital.
- Cost curve (industry supply curve)
All producers ranked from lowest to highest cost, showing who is the marginal producer.
- DRI (direct reduced iron)
Iron made by removing oxygen from iron ore with gas or hydrogen, without melting it.
- EAF (electric arc furnace)
A furnace that makes steel by melting scrap or DRI with electricity.
- Feedstock
The raw material fed into a process, such as naphtha or ethane for a chemical plant.
- Steam cracker
A plant that breaks hydrocarbons into ethylene and other building-block chemicals using steam and heat.
- Commodity versus specialty chemicals
High-volume standard chemicals sold on price versus smaller-volume chemicals sold on performance.
Manufacturing, autos and logistics
- OEM (original equipment manufacturer)
In autos and machinery, the company that designs, assembles and brands the final product.
- Tier 1 supplier
A supplier that sells complete parts or systems directly to the carmaker.
- Vehicle platform
A shared set of engineering underpinnings used for many car models.
- Battery pack cost
The cost of an electric vehicle's battery pack, usually quoted per kWh of capacity.
- Installed base
The number of a company's machines or systems currently in use at customers.
- Aftermarket
Parts, service, repairs and upgrades sold after the original equipment.
- Backlog (order book)
The value of orders a company has received but not yet delivered.
- Book-to-bill ratio
New orders received divided by revenue billed in the same period.
- OEE (overall equipment effectiveness)
Availability x performance x quality: how much truly good output a machine makes versus its potential.
- Make-or-buy decision
Choosing whether to produce something in-house or buy it from a supplier.
- TEU (twenty-foot equivalent unit)
The standard measure of container volume: one 20-foot container.
- Freight forwarder
A company that arranges shipping for customers by buying space from carriers, without usually owning ships or aircraft.
- 3PL (third-party logistics)
A company a business pays to run its warehousing, fulfilment or transport.
- Dwell time
How long a container, truck or shipment waits at a port or terminal before moving on.
- Transshipment hub
A port where containers are moved between ships on their way to other destinations.
- Free zone
An area with special customs, tax or ownership rules to attract trade and investment.
- Cost per drop
The cost of each delivery stop in last-mile logistics.
Real estate and construction
- NOI (net operating income)
A property's income after operating costs, before debt payments, depreciation and income tax.
- Cap rate (capitalization rate)
A property's net operating income divided by its value: its yield at today's price.
- REIT (real estate investment trust)
A company that owns income-producing property and pays out most of its income to investors.
- Loan-to-value (LTV)
A loan as a share of the value of the property securing it.
- EPC contract (engineering, procurement and construction)
A contract where one contractor designs, buys and builds a project and hands it over ready to run.
- Critical path
The longest chain of dependent tasks in a project, which sets how fast it can finish.
Agriculture and food
- Yield gap
The difference between what farms actually harvest and what they could harvest with better practices.
- Post-harvest loss
Food lost between harvest and the shop, through poor storage, handling and transport.
- Cold chain
A temperature-controlled supply chain for food, medicines and other perishables.
- Feed conversion ratio (FCR)
Kilograms of feed needed to produce one kilogram of animal weight or output.
- Minimum support price (MSP, India)
The price at which the Indian government offers to buy certain crops from farmers.