science

Goods and services

Goods and services is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Goods and services rather than just read about it. In short: Goods are items that are usually (but not always) tangible, such as pens or pears. Services are activities provided by other people, such as teachers or barbers.

Key takeaways

Goods and services belongs to science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Goods and services to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Goods and services from memory before moving on to harder problems.

Reference excerpt

Goods are items that are usually (but not always) tangible, such as pens or pears. Services are activities provided by other people, such as teachers or barbers. Taken together, it is the production, distribution, and consumption of goods and services which underpins all economic activity and trade. According to economic theory, consumption of goods and services is assumed to provide utility (satisfaction) to the consumer or end-user, although businesses also consume goods and services in the course of producing their own.

History

Physiocratic economists categorized production into productive labour and unproductive labour. Adam Smith expanded this thought by arguing that any economic activities directly related to material products (goods) were productive, and those activities which involved non-material production (services) were unproductive. This emphasis on material production was adapted by David Ricardo, Thomas Robert Malthus and John Stuart Mill, and influenced later Marxian economics. Other, mainly Italian, 18th-century economists maintained that all desired goods and services were productive.

Service-goods continuum

The division of consumables into services is a simplification: these are not discrete categories. Most business theorists see a continuum with pure service at one endpoint and pure tangible commodity goods at the other. Most products fall between these two extremes. For example, a restaurant provides a physical good (prepared food), but also provides services in the form of ambience, the setting and clearing of the table, etc. Although some utilities, such as electricity and communications service providers, exclusively provide services, other utilities deliver physical goods, such as water utilities. For public sector contracting purposes, the electricity supply is defined among goods rather than services in the European Union, whereas under United States federal procurement regulations, it is treated as a service. Goods are normally structural and can be transferred in an instant while services are delivered over a period of time. Goods can be returned while a service, once delivered cannot. Goods are not always tangible and may be virtual e.g. a book may be paper or electronic. Marketing theory makes use of the service-goods continuum as an important concept which "enables marketers to see the relative goods/services composition of total products".

In international law

Distinctions are made between goods and services in the context of international trade liberalization. For example, the World Trade Organization's General Agreement on Tariffs and Trade (GATT) covers international trade in goods and the General Agreement on Trade in Services (GATS) covers the services sector.

Illustrations

Goods and services: Service-goods continuum — Service-goods continuum

Worked examples

Example 1 — a first encounter with Goods and services

Start with the simplest possible case. Write down what Goods and services claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Goods and services before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Goods and services ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Goods and services

In research: Goods and services appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Goods and services in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Goods and services is common in secondary-school and first-year university syllabi. It links to neighbouring topics Goods, Services (economics), so understanding it makes those chapters shorter.
In everyday life: Look for Goods and services outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Goods and services in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Goods and services means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Goods and services out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Goods and services in simple terms?

Goods are items that are usually (but not always) tangible, such as pens or pears. Services are activities provided by other people, such as teachers or barbers.

Why does Goods and services matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Goods and services?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Goods and services.