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Globalisation

Specialisation and comparative advantage

  • 3 things to know
  • Papers 2 and 3

Overview

Specialisation in international trade, absolute and comparative advantage and David Ricardo, calculating comparative advantage and opportunity cost ratios, the terms of trade needed for mutual gain, the assumptions of the theory, transport costs, over-specialisation, lower unit costs, global value chains, services specialisation, and changing comparative advantage.

What you need to know

Answer each one before you reveal it.

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Evaluation

What is comparative advantage?

Key term

Why must the terms of trade lie between the two countries' opportunity cost ratios for both to gain?

Key term

Why do transport costs weaken the case for specialisation?

Questions from this subtopic

Each one with the model answer underneath.

  1. 1

    Define specialisation in the context of international trade.

    Model answer

    Specialisation is when a country concentrates its resources on producing the goods and services it makes relatively most efficiently and trades for everything else.

  2. 2

    What is absolute advantage?

    Model answer

    A country has an absolute advantage in a good when it can produce more of that good than another country from the same quantity of resources.

  3. 3

    What is comparative advantage?

    Model answer

    A country has a comparative advantage in a good when it can produce it at a lower opportunity cost than another country, measured in units of the other good given up.

  4. 4

    Which economist set out the theory of comparative advantage?

    Model answer

    David Ricardo.

  5. 5

    Country X can produce either 40 tonnes of wheat or 20 cars; Country Y can produce either 30 tonnes of wheat or 30 cars. Which country has the comparative advantage in cars?

    Model answer

    Country Y, because it gives up 1 tonne of wheat for each car while Country X gives up 2 tonnes.

  6. 6

    Country X can produce either 40 tonnes of wheat or 20 cars, and Country Y either 30 tonnes of wheat or 30 cars. State the opportunity cost of one tonne of wheat in each country.

    Model answer

    In Country X one tonne of wheat costs 0.5 cars, and in Country Y it costs 1 car.

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