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This lesson maps the entire AQA A-Level Economics specification, provides a revision checklist for every topic, lists the essential diagrams and definitions, identifies cross-topic links that examiners love to test, and gives you a practical exam strategy and timing plan. Use this as your master revision guide in the weeks before the exam.
The AQA A-Level Economics specification is divided into two main sections, each assessed by its own paper (plus the synoptic Paper 3 which covers both):
| Topic Number | Topic | Key Content |
|---|---|---|
| 4.1.1 | Economic methodology and the economic problem | Scarcity, opportunity cost, PPF, positive vs normative statements, economic methodology |
| 4.1.2 | Individual economic decision making | Consumer behaviour, utility theory, behavioural economics (bounded rationality, biases, nudges) |
| 4.1.3 | Price determination in a competitive market | Demand, supply, price determination, functions of the price mechanism |
| 4.1.4 | Production, costs and revenue | Short-run and long-run costs, economies and diseconomies of scale, revenue curves, profit |
| 4.1.5 | Perfect competition, imperfectly competitive markets and monopoly | Perfect competition, monopolistic competition, oligopoly (kinked demand, game theory, collusion), monopoly, contestable markets, price discrimination |
| 4.1.6 | The labour market | Demand for labour (MRPL), supply of labour, wage determination, trade unions, monopsony, discrimination, income and wealth distribution |
| 4.1.7 | The distribution of income and wealth: poverty and inequality | Lorenz curve, Gini coefficient, causes of inequality, absolute and relative poverty, policies to redistribute |
| 4.1.8 | The market mechanism, market failure and government intervention in markets | Externalities, public goods, information failures, merit/demerit goods, government intervention (taxes, subsidies, regulation, tradable permits), government failure |
| Topic Number | Topic | Key Content |
|---|---|---|
| 4.2.1 | The measurement of macroeconomic performance | GDP (real vs nominal), inflation (CPI, RPI), unemployment (claimant count, ILO), balance of payments |
| 4.2.2 | How the macroeconomy works: the circular flow of income, AD/AS analysis, and related models | Circular flow, AD components (C+I+G+X-M), multiplier, AS (SRAS, LRAS), AD/AS model |
| 4.2.3 | Economic performance | Economic growth (actual vs potential), the economic cycle, employment and unemployment (types and causes), inflation and deflation (causes and consequences), balance of payments (components, significance of deficits/surpluses) |
| 4.2.4 | Financial markets and monetary policy | Money, banking, central bank role, monetary policy (interest rates, QE), financial regulation |
| 4.2.5 | Fiscal policy and supply-side policies | Government budgets, fiscal policy (automatic stabilisers, discretionary), supply-side policies (market-based, interventionist), the Laffer curve |
| 4.2.6 | The international economy | Globalisation, trade (absolute and comparative advantage), protectionism, trading blocs, balance of payments, exchange rates (floating, fixed, managed), international competitiveness |
Understanding which topics appear on which paper is essential:
| Paper | Content | Key Distinguishing Feature |
|---|---|---|
| Paper 1 | Section 4.1 only (micro) | Questions only test microeconomic topics: markets, firms, market failure, labour markets |
| Paper 2 | Section 4.2 only (macro) | Questions only test macroeconomic topics: AD/AS, growth, inflation, unemployment, trade, policy |
| Paper 3 | Sections 4.1 AND 4.2 | Questions can test ANY topic and require you to link micro and macro analysis |
Key Point: Paper 3 is the paper that catches students who have revised micro and macro separately. You MUST practise making connections across the specification.
AQA examiners award marks for precise definitions. Vague or incomplete definitions lose marks. Here are the definitions you must know word-perfectly:
| Term | Definition |
|---|---|
| Opportunity cost | The value of the next best alternative forgone when a choice is made |
| Price elasticity of demand (PED) | The responsiveness of quantity demanded to a change in price (% change in Qd / % change in P) |
| Income elasticity of demand (YED) | The responsiveness of quantity demanded to a change in income (% change in Qd / % change in Y) |
| Cross elasticity of demand (XED) | The responsiveness of quantity demanded of one good to a change in the price of another good |
| Price elasticity of supply (PES) | The responsiveness of quantity supplied to a change in price |
| Externality | A cost or benefit that affects a third party not directly involved in the economic transaction |
| Public good | A good that is non-excludable and non-rivalrous in consumption |
| Merit good | A good that is underconsumed in a free market because consumers underestimate its private benefits or because it generates positive externalities |
| Demerit good | A good that is overconsumed in a free market because consumers underestimate its private costs or because it generates negative externalities |
| Market failure | When the free market mechanism leads to a misallocation of resources, resulting in a net welfare loss |
| Government failure | When government intervention leads to a net welfare loss compared with the free market outcome |
| Allocative efficiency | Achieved when resources are allocated in a way that maximises consumer welfare; occurs where P = MC |
| Productive efficiency | Achieved when a firm produces at the lowest point on its average cost curve (minimum AC) |
| Monopoly | A market structure with a single seller (or, in AQA's definition, a firm with 25%+ market share) |
| Oligopoly | A market structure dominated by a few large firms, characterised by interdependence and barriers to entry |
| Monopsony | A market with a single buyer (e.g., a single employer in a labour market) |
| Economies of scale | Reductions in long-run average cost as a firm increases its scale of production |
| Diseconomies of scale | Increases in long-run average cost as a firm becomes too large |
| Term | Definition |
|---|---|
| Aggregate demand (AD) | The total planned expenditure on goods and services produced in an economy at a given price level (AD = C + I + G + (X − M)) |
| Aggregate supply (AS) | The total output of goods and services that firms in an economy are willing and able to supply at a given price level |
| Economic growth | An increase in the real GDP of an economy over time (or an increase in the productive capacity of the economy) |
| Inflation | A sustained increase in the general price level of goods and services in an economy over time |
| Deflation | A sustained decrease in the general price level |
| Demand-pull inflation | Inflation caused by an increase in aggregate demand that exceeds the economy's productive capacity |
| Cost-push inflation | Inflation caused by an increase in the costs of production, leading to a decrease in aggregate supply |
| Unemployment | When people of working age are actively seeking work but are unable to find employment |
| Current account | The section of the balance of payments that records trade in goods and services, primary income, and secondary income |
| Fiscal policy | The use of government spending and taxation to influence the level of aggregate demand and the pattern of economic activity |
| Monetary policy | The use of interest rates, money supply, and exchange rates by the central bank to influence the level of aggregate demand |
| Supply-side policies | Government policies designed to increase the productive capacity of the economy by improving the quality and quantity of factors of production |
| Multiplier | The process by which an initial change in a component of aggregate demand leads to a larger final change in national income |
| Comparative advantage | When a country can produce a good at a lower opportunity cost than another country |
| Exchange rate | The price of one currency expressed in terms of another currency |
Based on analysis of past AQA papers, the following diagrams appear most frequently:
| Diagram | Papers | Priority |
|---|---|---|
| Supply and demand (with shifts) | 1, 3 | Essential |
| AD/AS (Classical and/or Keynesian) | 2, 3 | Essential |
| Monopoly diagram (AR, MR, MC, AC) | 1, 3 | Essential |
| Externalities (negative/positive) | 1, 3 | Essential |
| Cost curves (MC, AC, AVC) | 1, 3 | Essential |
| Diagram | Papers | Priority |
|---|---|---|
| Labour market (supply and demand for labour) | 1, 3 | High |
| Monopsony in the labour market | 1, 3 | High |
| Lorenz curve / Gini coefficient | 1, 3 | High |
| Perfect competition (short-run and long-run) | 1, 3 | High |
| Tax and subsidy diagrams | 1, 3 | High |
| Phillips curve (short-run and long-run) | 2, 3 | High |
| PPF (Production Possibility Frontier) | 1, 2, 3 | High |
| Diagram | Papers | Priority |
|---|---|---|
| Kinked demand curve (oligopoly) | 1, 3 | Medium |
| Contestable markets | 1, 3 | Medium |
| J-curve | 2, 3 | Medium |
| Laffer curve | 2, 3 | Medium |
| Game theory payoff matrix | 1, 3 | Medium |
| Price discrimination (third degree) | 1, 3 | Medium |
| Exchange rate determination (floating) | 2, 3 | Medium |
Exam Tip: Prioritise the "High Frequency" diagrams in your revision. You should be able to draw these perfectly, from memory, in under 30 seconds each. Practise until they are automatic.
AQA rewards application to real-world contexts. You do not need to memorise exact dates or figures, but you should be aware of the general patterns and be able to reference them:
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