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Specialisation and Free Trade ยป Specialisation by Country

What you'll learn this session

Study time: 30 minutes

Cambridge spec: 6.1.1

  • What specialisation by country means
  • Why countries specialise: best use of resources and low-cost production
  • How to show the gain from specialisation with a simple two-country example
  • The advantages and disadvantages of specialisation for a country

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What is specialisation by country?

Think about your phone, your trainers and your breakfast. Many of the things you use were made in different countries. Coffee may be grown in one place, the phone made in another and the trainers made in a third. That happens because countries do not try to make everything themselves.

In Division of Labour you met specialisation for workers: each worker concentrates on one task. Countries do the same thing on a bigger scale.

Key terms:

  • Specialisation by country: when a country concentrates its resources on producing a limited range of goods and services, rather than trying to produce everything.

Example

One country may concentrate on growing tea and another on making computer parts. Each uses most of its land, workers and capital for the thing it produces best.

Why do countries specialise?

Countries are different. Some have fertile land and a warm climate. Some have oil or minerals. Some have many skilled workers or lots of capital. The spec gives two linked reasons for specialisation:

🌾 Best resource allocation

A country gets the most from its land, labour, capital and enterprise by using them where they are most productive. Warm, fertile land is best used for crops. A skilled workforce is best used making complex goods.

💰 Low-cost production

When a country uses its resources where they are most productive, it gets more output from the same inputs. The cost of making each unit falls, so it can produce those goods at a low cost.

So countries produce what they are relatively best at. This means the good they can make while giving up the least of something else (their opportunity cost is lowest).

A simple two-country example

Here is a made-up example. Arvon and Belmir each have all their workers and resources ready for one week. The table shows the most each could make of one good if it made nothing else.

CountryCoffee (tonnes)Phones (thousands)
Arvon100or50
Belmir40or80

Step 1: no specialisation. Suppose each country splits its resources half and half.

  • Arvon makes 50 tonnes of coffee and 25 thousand phones.
  • Belmir makes 20 tonnes of coffee and 40 thousand phones.
  • Total: 70 tonnes of coffee and 65 thousand phones.

Step 2: find what each is relatively best at. In Arvon, 1 thousand phones costs 2 tonnes of coffee (100 ÷ 50). In Belmir, 1 thousand phones costs only half a tonne of coffee (40 ÷ 80). So Belmir is relatively best at phones and Arvon is relatively best at coffee.

Step 3: specialise. Arvon puts everything into coffee: 100 tonnes. Belmir puts everything into phones: 80 thousand.

Total: 100 tonnes of coffee and 80 thousand phones. That is 30 tonnes more coffee and 15 thousand more phones from the same resources. The two countries can then share the extra output by trading with each other. You will study this in Free Trade.

Worked example

Using the table above, how much more coffee is produced after specialisation?

Before: 50 + 20 = 70 tonnes. After: 100 + 0 = 100 tonnes. Extra coffee = 100 − 70 = 30 tonnes.

Advantages of specialisation for a country

  • Higher output. Resources are used where they are most productive, so more is produced in total.
  • Lower costs. A country that makes one product on a large scale can often lower the cost of each unit.
  • Better skills and quality. Workers and firms get better at what they do, and may use better technology.
  • Export income. A country can sell what it makes at a competitive price, so firms and the country earn more income.

Disadvantages of specialisation for a country

  • Over-dependence. If a country relies on one or two products, a bad harvest, a fall in world price or a fall in demand can hurt the whole economy.
  • Unemployment. If the main industry shrinks, workers have skills that are hard to use elsewhere. This is structural unemployment.
  • Dependence on other countries. The country must buy many goods from abroad. If supplies stop or prices rise, it has few alternatives.
  • Resource problems. Heavy use of a resource such as oil or fish can use it up or damage the environment.
  • A narrow economy. Resources are tied up in a few industries, so other industries may not develop.

Common mistakes

Writing that a country specialises because it has "more of everything". The point is what a country is relatively best at, not what it is best at in total.

Mixing up specialisation by country with division of labour. Division of labour is about workers doing separate tasks. Specialisation by country is about a whole country concentrating on some goods.

Giving a list of advantages with no reason. Always say why, for example "resources are used where they are most productive, so output rises".

Exam-style question

Quillara has a warm climate and very fertile land. Most of its farmland grows bananas, which it produces at a low cost. Bananas make up most of its export earnings. Quillara makes few machines and imports most of what it needs.

(a) Define specialisation by country. [2 marks]

(b) Explain why Quillara may concentrate on growing bananas. [4 marks]

(c) Discuss whether specialisation is good for Quillara. [6 marks]

Model answer

(a) Specialisation by country is when a country concentrates its resources (1) on producing a limited range of goods and services (1).

(b) Quillara has a warm climate and fertile land (1), so its land is best used for growing crops (1). This is the best allocation of its resources (1), and bananas can be produced at a low cost per unit (1).

(c) Specialisation can raise output because land is used where it is most productive (1), and low costs allow Quillara to sell bananas at a competitive price and earn export income (1). However, Quillara relies on bananas for most of its export earnings, so a fall in the price or a bad harvest could harm the whole economy (1). It also has to import most machines, so it depends on other countries (1). Workers with farming skills may find it hard to get other jobs if the banana industry shrinks (1). So specialisation brings gains, but Quillara should be careful not to depend on one product (1).

Exam tip

In part (c), give at least one advantage and one disadvantage, linked to Quillara, and finish with a short conclusion.

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