Specialisation & Free Trade

Specialisation by country is when a country concentrates on producing the goods and services it can make most efficiently, and trades for the rest rather than trying to produce everything itself.

This is the same idea as the division of labour, applied to whole economies instead of individual workers. A country specialises where it has an advantage, exports the surplus, and uses the foreign currency it earns to import the goods it has chosen not to make.

The basis for specialisation

A country specialises in a good for one of two reasons, and often both at once.

• Best use of resources (resource allocation). A country directs its land, labour, capital and enterprise toward the goods its resources are best suited to. Land with a tropical climate goes into coffee or cocoa; a workforce with strong technical education goes into electronics or finance. Resources end up where they are most productive.
• Low-cost production. A country specialises in goods it can produce at a lower cost than other countries can. Producing on a large scale for the world market also lets firms spread fixed costs and gain economies of scale, pushing average cost down further.

When each country does this, world resources are used more efficiently and total world output rises, so there is more for every country to share through trade.

Advantages of specialisation

• Higher output and incomes. Concentrating on what a country does best raises productivity, so total output is higher than if the country spread its resources across everything.
• Lower average costs. Producing more units of fewer goods lets firms exploit economies of scale, cutting unit costs.
• Better quality and reputation. A country that focuses on a few industries builds skill, expertise and a reputation for quality, which raises demand for its exports.
• Wider consumption. Export earnings pay for imports, so a country can consume goods it does not produce itself and enjoy a greater variety than its own resources allow.

Disadvantages of specialisation

• Vulnerability to price swings. A country that exports mainly one product is exposed when the world price of that product falls.
• Loss of self-sufficiency. A country that imports all of an essential good (food, fuel, medicine) has no fallback if war, disease or a natural disaster disrupts trade.
• Risk of resource depletion. Specialising in a non-renewable resource can exhaust it, leaving the economy with no replacement industry.
• Structural unemployment. Workers in industries that a country chooses not to develop, or that decline, may struggle to find new jobs if their skills do not transfer.

Because of these risks, most countries specialise partially: they keep a diversified base while still concentrating on their strongest industries.