CCEA AS-Level Economics 4410
Key Economic Concepts
The Basic Economic Problem of Scarcity and Choice
Demand and Supply in Product Markets
Markets and Equilibrium
Elasticity of Demand and Supply
Factor Markets: Labour
Market Failures and Imperfections
Government Intervention in Markets
The Circular Flow of Income
Measuring National Income
Aggregate Demand
Aggregate Supply
Macroeconomic Equilibrium
Macroeconomic Objectives
Inflation
Unemployment
Economic Growth
Fiscal Policy and Its Effects
Monetary Policy
Supply-Side Policies
Exchange Rates and the National Economy
Quantitative Skills in Economics
The Basic Economic Problem of Scarcity and Choice
- 6 subtopics
- 14 things to know
- Unit AS 1
What The Basic Economic Problem of Scarcity and Choice covers
The basic economic problem of scarcity and choice is examined in Unit AS 1, Markets and Market Failure. It covers scarcity, choice and opportunity cost, drawing and reading the production possibility frontier, using a PPF to show choice, opportunity cost, efficiency and growth, why an economy operates inside its frontier, specialisation and the division of labour and free market, planned and mixed economies.
Where it is assessed
Unit AS 1
Markets and Market Failure, written examination, 20% of A level.
Check the CCEA specification ↗The 6 subtopics
Each one has its own page. CCEA AS Economics students sit this topic in the first year.
- Scarcity, choice and opportunity costThree fundamental questions every economy must answer, why scarcity is not the same thing as a shortage and why opportunity cost applies to individuals.Open →
- Drawing and reading the production possibility frontierPoint on a production possibility frontier represent, what a point beyond the production possibility frontier represents and actual growth and potential growth using a production possibility frontier.Open →
- Using a PPF to show choice, opportunity cost, efficiency and growthHow a production possibility frontier illustrates the concept of choice, opportunity cost be read directly from a production possibility frontier and productive efficiency mean.Open →
- Why an economy operates inside its frontierOccupational immobility of labour and shortage of one key input leave many other resources idle.Open →
- Specialisation and the division of labourSpecialisation and the division of labour, how the division of labour lowers a firm's average costs and three disadvantages of the division of labour for workers.Open →
- Free market, planned and mixed economiesHow a free market economy answers the questions of what, how a planned economy answers the questions of what and mixed economy.Open →
What you need to know
Answer each one before you reveal it.
Explain why opportunity cost applies to individuals, firms and governments alike.
Explain why the opportunity cost of a decision can change over time even if the decision itself does not.
Give three causes of an outward shift of a production possibility frontier.
Explain why a production possibility frontier is normally drawn for only two goods when a real economy produces millions.
Explain how geographical immobility of labour contributes to an economy producing below capacity.
How can a shortage of one key input leave many other resources idle?
Distinguish between an economy operating inside its frontier and an economy whose frontier has shifted inwards.
Give three disadvantages of the division of labour for workers.
Explain why the extent of the division of labour is limited by the size of the market.
Analyse the advantages to a country of specialising in the goods it produces relatively best and trading for the rest.
Analyse three advantages of allocating resources through a free market.
Analyse two disadvantages of relying entirely on a free market to allocate resources.
Why can a free market fail to provide public goods such as flood defences?
Take The Basic Economic Problem of Scarcity and Choice further
The same content, four other ways.
Commonly confused
Pairs that lose marks when they are blurred together.
Scarcity vs A shortage
Scarcity: the permanent gap between unlimited wants and limited resources, which cannot be priced away. A shortage: a temporary excess of quantity demanded over quantity supplied at the current price, removed when the price rises.
Movement along a PPF vs Shift of a PPF
Movement along a PPF: reallocating existing resources between two goods, so more of one means less of the other. Shift of a PPF: changing total capacity because the quantity or quality of resources, or technology, has changed.
Consumer surplus vs Total spending
Consumer surplus: the extra value received above what was paid; the area between the demand curve and the price line. Total spending: price multiplied by quantity; the rectangle under the price line.
Questions from this topic
Each one with the model answer underneath.
- 1
State the basic economic problem and explain why it exists in every society.
Model answer
The basic economic problem is that human wants are unlimited while the resources available to satisfy them are limited. Because no society has enough land, labour, capital and enterprise to produce everything everyone wants, every society must decide what to produce, how to produce it and for whom. The problem is universal because it follows from the gap between wants and resources, not from poverty or bad organisation.
- 2
What are the three fundamental questions every economy must answer?
Model answer
Every economy must decide what to produce, meaning which goods and services and in what quantities; how to produce, meaning which combination of factors and which techniques to use; and for whom to produce, meaning how the output is distributed among the population. Different economic systems answer these questions in different ways, but no system can avoid them.
- 3
Explain why scarcity is not the same thing as a shortage.
Model answer
Scarcity is the permanent condition that resources are insufficient to satisfy all wants, and it applies even to a very rich economy. A shortage is a temporary market situation in which the quantity demanded exceeds the quantity supplied at the prevailing price, and it can be removed by a price rise. Diamonds are scarce but there is normally no shortage of them, because the price is high enough to clear the market.
- 4
Define opportunity cost and explain why it is measured in terms of one alternative rather than all of them.
Model answer
Opportunity cost is the value of the next best alternative forgone when a choice is made. It is measured against the single best alternative because that is what was actually given up: once the chosen option is taken, only one other option could have been taken instead. Adding together every rejected option would exaggerate the sacrifice, since they could not all have been enjoyed at once.
- 5
A student has one free evening and could revise, work a paid shift worth £45, or see friends. She revises. What is the opportunity cost?
Model answer
The opportunity cost is whichever of the two rejected options she valued most highly. If she would otherwise have worked the shift, the opportunity cost is the £45 of earnings plus anything else that shift would have provided. It is not £45 plus the value of seeing friends, because only one alternative could have been chosen.
- 6
A government spends £900 million on a new hospital. Explain the opportunity cost of the decision to two different groups.
Model answer
For the government the opportunity cost is the best alternative use of the £900 million, such as the schools, roads or tax cuts that must now be forgone. For the wider society the opportunity cost is the real resources absorbed: the builders, engineers, steel and machinery used on the hospital cannot be used elsewhere, so other construction projects are delayed. Money cost is the accounting figure; opportunity cost is the alternative output given up.
What is inside Levo
Six ways to work the same material.
The Basic Economic Problem of Scarcity and Choice revision questions
- Is The Basic Economic Problem of Scarcity and Choice examined at AS in CCEA Economics?
- Yes. It sits in Unit AS 1, which you take in the first year, so it is on the AS paper as well as counting towards the full A level.
- What does The Basic Economic Problem of Scarcity and Choice cover in CCEA AS-Level Economics?
- 6 subtopics: scarcity, choice and opportunity cost, drawing and reading the production possibility frontier, using a ppf to show choice, opportunity cost, efficiency and growth, why an economy operates inside its frontier, specialisation and the division of labour and free market, planned and mixed economies. Each one has its own page with questions and model answers.
- How is The Basic Economic Problem of Scarcity and Choice organised?
- By the CCEA 4410 specification, subtopic by subtopic, so it matches the order you are taught it in.
Every question in The Basic Economic Problem of Scarcity and Choice, on a schedule.
Attempt a question from memory, write the correct version, then attempt it again. Levo records the jump between your first attempt and your last, and brings each question back on the day you are due to forget it.
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