Eduqas A Level Economics
Eduqas A Level Economics Scarcity and Choice Exam Questions
Free Eduqas A Level Economics revision for Scarcity and Choice: what you need to know, common mistakes and exam-style questions with answers. Covers scarcity, choice and opportunity cost, production possibility frontiers, specialisation, the division of labour and exchange.
Practise Scarcity and Choice with past papers
Once you have learnt this topic, find the Scarcity and Choice questions in real Eduqas A Level Economics past papers and mark them with the mark scheme. Doing lots of real questions is the quickest way to learn how examiners ask about each idea.
About Eduqas A Level Economics Scarcity and Choice
Scarcity and choice is the opening area of the Microeconomics section of the Eduqas A Level Economics specification and sets up the basic economic problem: wants are unlimited but resources are finite, so every decision has an opportunity cost. You learn to model choices with production possibility frontiers (PPFs) and to explain why specialisation and the division of labour raise output but make exchange, and therefore money, necessary. These ideas return throughout the course, from efficiency in market structures to economic growth and comparative advantage in trade. Examiners like short PPF diagram questions in Component 1 and expect you to use opportunity cost precisely when evaluating policy choices in longer answers.
What you need to know
- The basic economic problem Resources (land, labour, capital and enterprise) are scarce relative to unlimited wants, so societies must decide what to produce, how to produce it and for whom. Scarcity forces choice, and every choice has an opportunity cost.
- Opportunity cost The value of the next best alternative forgone. It applies to consumers, firms and governments, for example spending on the NHS means less available for education or tax cuts.
- Production possibility frontiers A PPF shows the maximum combinations of two goods an economy can produce with its resources and technology. Points on the curve are productively efficient, points inside show unemployed or misallocated resources, and points outside are currently unattainable.
- Shape and shifts of the PPF A PPF is usually concave to the origin because resources are not equally suited to all uses, so opportunity cost rises as more of one good is produced. An outward shift shows economic growth (more or better resources, better technology); an inward shift can follow a natural disaster or war.
- Specialisation and division of labour Specialisation means concentrating on a narrow range of tasks or products. The division of labour (Adam Smith's pin factory) raises productivity through repetition, time saved and use of specialist equipment, but can cause boredom, low motivation and over-dependence.
- Exchange and money Specialisation only works if people can trade their surplus. Barter needs a double coincidence of wants, so money acts as a medium of exchange, a measure of value, a store of value and a standard of deferred payment.
Common mistakes in Scarcity and Choice
- Drawing a PPF shift to show a movement along it. A movement along the curve is a reallocation of existing resources; only a change in the quantity or quality of resources shifts the curve.
- Defining opportunity cost as the money price of a good. It is the next best alternative given up, which may not be measured in money at all.
- Labelling a point inside the PPF as allocatively inefficient. A point inside is productively inefficient because resources are unemployed or wasted.
- Listing only the benefits of specialisation. Strong answers also mention costs such as structural unemployment when demand changes and the risks of dependence on one product.
- Treating a straight-line PPF as the normal case. A straight line means constant opportunity cost, which assumes resources are perfectly adaptable between uses.
Try three Scarcity and Choice exam-style questions
1. Explain what is meant by opportunity cost. Use an example in your answer. (2 marks)
Show the mark scheme answer
The next best alternative forgone when a choice is made; a relevant example, e.g. a government that spends £1 billion on roads gives up the hospitals it could have built.
2. An economy can produce either 100 units of food and 0 units of clothing, or 60 units of food and 30 units of clothing. Calculate the opportunity cost of one unit of clothing between these two points. (2 marks)
Show the mark scheme answer
40 units of food are given up to gain 30 units of clothing; opportunity cost = 40 / 30 = 1.33 units of food per unit of clothing.
3. Using a PPF diagram, explain the likely effect of a large increase in investment in education and training. (4 marks)
Show the mark scheme answer
Education and training raise the quality of labour (human capital); this increases productive capacity; the PPF shifts outwards; diagram with correctly labelled axes for two goods and an outward shift; possible time lag before the effect appears.
Scarcity and Choice FAQs
What does Eduqas A Level Economics Scarcity and Choice cover?
It covers the basic economic problem, opportunity cost, production possibility frontiers, specialisation, the division of labour and the role of exchange and money.
Which component is Scarcity and Choice examined in?
Eduqas Components 1 and 2 can test any part of the specification, so expect PPF and opportunity cost questions there. The ideas are also used in Component 3 essays, for example when judging the trade-offs in a policy.
What diagram do I need for Scarcity and Choice?
You need the production possibility frontier. Practise showing productive efficiency, unemployment of resources, movements along the curve, outward shifts from growth and a pivot when technology improves in only one industry.
