Contents

1. Overview
2. Etymology
3. Cultural Impact

Cost

Money spent to produce or procure goods or services

For other uses, see Cost (disambiguation) .

“Expensive” redirects here. For the song by Ty Dolla Sign featuring Nicki Minaj, see Expensive (song) .

Major types

Key concepts

Selected accounts

Accounting standards

Financial statements

Bookkeeping

Auditing

People and organizations

Development

Misconduct

Cost is the value of money that has been used up to produce something or deliver a service, rendering it unavailable for future use. Think of it as money that has walked out the door and isn’t coming back—like a one-night stand with your bank account. In business contexts, cost represents the amount of money expended to acquire something, making it the input that disappears in the process of acquisition. This acquisition cost typically includes the original production costs incurred by the producer plus any additional transaction costs the buyer faces beyond the price paid to that producer. Usually, the final price also incorporates a profit mark-up layered on top of the production cost, because apparently nothing in life is free—least of all the things you pay for.

In the broader field of economics , cost functions as a metric that accumulates during a process or represents the differential impact of a particular decision . It’s the universal yardstick used in standard modeling paradigms applied to economic processes . Essentially, economists treat cost like gravity: it’s always there, pulling everything down, and you can’t escape it no matter how creative your accounting gets.

Costs (plural—because there’s never just one) are often further categorized based on their timing, applicability, or how deeply they’ve scarred your budget. Because apparently we needed more ways to feel bad about spending money.

Types of accounting costs

Main articles: accounting cost , opportunity cost , historical cost , marginal cost , sunk cost , and standard cost accounting

In accounting, costs represent the monetary value of expenditures for supplies, services, labor, products, equipment, and other items that a business or accounting entity purchases for operational use. These are the amounts boldly stated on invoices as price and meticulously recorded in bookkeeping records as either an expense or an asset’s cost basis . It’s the financial equivalent of keeping receipts for everything—because someone, somewhere, will eventually ask why you spent company money on that questionable office coffee machine.

Opportunity cost , also charmingly referred to as economic cost , represents the value of the best alternative you didn’t choose because you were too busy pursuing your current disaster. It’s what could have been accomplished with the same resources you just poured into this questionable endeavor. Think of it as the ghost of business decisions past, constantly reminding you that you could have invested in Bitcoin instead of whatever this is. It represents opportunities permanently forgone—like the road not taken, except with more spreadsheets and regret.

In the rarefied air of theoretical economics, when someone casually mentions “cost” without any qualifiers, they’re typically referring to opportunity cost. Because why use simple language when you can make everything sound like a philosophical dilemma?

Main articles: Externality and social cost

When a transaction occurs—because apparently we can’t just trade favors like civilized people—it typically involves both private costs and external costs. It’s like ordering pizza: you pay the delivery fee (private cost) while your neighbors endure the smell of regret and pepperoni at 2 AM (external cost).

Private costs are what the buyer of a good or service actually pays the seller. These costs exist within the firm’s production function , comfortably internal and neatly accounted for—unlike your emotional baggage, which somehow never makes it into the quarterly reports.

External costs , also known as externalities (because economists love technical terms for “someone else’s problem”), represent costs that people other than the buyer are forced to endure as a result of the transaction. The unfortunate bearers of these costs can be specific individuals or society at large. These costs are often non-monetary and notoriously difficult to quantify for comparison with actual money, which makes them the accounting equivalent of trying to catch smoke with your bare hands. They include delightful things like pollution—those little gifts that society will inevitably pay for someday, even though they’re conveniently excluded from transaction prices.

Social costs represent the grand total of private costs plus external costs. It’s the complete financial picture of who’s really paying for everything, including the parts nobody wants to talk about at dinner parties.

For example, the manufacturing cost of a car includes all the usual suspects: buying inputs, land taxes for the production facility, overhead costs of keeping the lights on, and labor costs that make the whole operation possible. This constitutes the private cost for the manufacturer (though one could argue that normal profit also functions as a production cost, because capitalism demands its tribute). Meanwhile, the polluted waterways and toxic air created during the car’s production process represent external costs dumped on anyone unfortunate enough to live downstream or downwind from the factory. Since the manufacturer doesn’t pay for this external cost—the expense of contaminating shared resources—and doesn’t include it in the car’s sticker price (a classic example of Kaldor–Hicks compensation ), these costs remain external to the market’s pricing mechanism. Even the air pollution generated by driving the finished car represents another externality produced by the car’s user during operation. The driver typically doesn’t compensate anyone for the environmental damage their vehicle causes, because apparently personal responsibility stops at the exhaust pipe.

Cost estimation

Main articles: Cost estimation , Cost overrun , and parametric estimating

When developing a business plan for a new or existing company, product, or project, planners typically engage in the optimistic exercise of cost estimation to determine whether projected revenues and benefits will actually cover costs (see cost–benefit analysis ). In a shocking twist that surprises absolutely no one with real-world experience, costs are frequently underestimated, leading to spectacular cost overruns during actual execution. It’s almost as if wishful thinking isn’t a reliable substitute for proper budgeting.

Cost-plus pricing represents the pinnacle of straightforward pricing strategies, where the final price equals cost plus a predetermined percentage for overhead or profit margin. In business economics , the profitability of any trade or sales prospect ultimately depends on an enterprise’s ability to maintain market prices that cover all costs while leaving enough surplus for owner interest. This relationship is elegantly expressed through the following equation:

1
Profit = Revenues – Costs

It’s beautifully simple in theory, yet somehow manages to be catastrophically complex in practice—much like assembling IKEA furniture while blindfolded.

Manufacturing costs vs. non-manufacturing costs

Manufacturing costs are those delightful expenses directly involved in the manufacturing of products—the costs that actually make things happen on the factory floor. Examples include raw materials costs and various charges related to the workers who turn those materials into something useful. Manufacturing cost is traditionally divided into three broad categories that sound suspiciously like they were designed by someone who enjoys making accountants cry:

Non-manufacturing costs, on the other hand, are those expenses that aren’t directly involved in manufacturing a product but still need to be paid because the business world is complicated like that. Examples include salaries of sales personnel and advertising expenses—all the things that make the manufacturing process actually worth doing in the first place. Generally, non-manufacturing costs are further classified into two categories that help explain why your company’s expenses always seem to exceed your wildest nightmares:

Selling and distribution costs
Administrative costs

Other costs

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A defensive cost represents an environmental expenditure designed to eliminate or prevent environmental damage—essentially paying money to clean up the mess you made or might make. These defensive costs form part of the calculations for the genuine progress indicator (GPI) , because apparently we need more acronyms to measure how badly we’re screwing up the planet.

Labor costs encompass far more than just hourly wages. They include travel time (because your commute is apparently the company’s problem), holiday pay (for those precious few days when you’re not generating profit for someone else), training costs (investing in your eventual departure to a competitor), working clothes (because business casual doesn’t buy itself), social insurance, employment taxes, and various other expenses that make hiring humans an expensive proposition.

Path cost is a networking term used to define the worthiness of a particular path, as detailed in Routing . It’s like Google Maps for data packets, except with more technical jargon and fewer complaints about traffic.

Non-monetary costs can be related to intrinsic motivation —those psychological expenses that don’t show up on any balance sheet but definitely impact your sanity and job satisfaction.

Notes

^ Gross profit is revenue minus the cost of goods sold .