How is this module assessed in Eduqas Economics?

This content is sampled across all three papers. Component 1 (Economic Principles) tests definitions, the AD components and the policy tools through multiple-choice and short structured questions; Component 2 (Exploring Economic Behaviour) examines multiplier and tax calculations and the use of AD-AS through data response; and Section B of Component 3 (Evaluating Economic Models and Policies) offers macroeconomics essays, marked by levels of response, evaluating fiscal, monetary and supply-side policy and the trade-offs between objectives.

Why is the AD-AS model so central to this module?

Because almost every macroeconomic question is answered through it. Demand-side policies (fiscal and monetary) shift aggregate demand along the supply curve, so the effect on output and inflation depends on how close the economy is to capacity; supply-side policies shift long-run aggregate supply to raise potential output. Being able to draw and manipulate the AD-AS diagram, and to layer the multiplier and the Phillips curve on top, is the basis of the analysis and evaluation the Component 3 essays reward.

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Aggregate demand, supply and policy - Eduqas A-Level Economics (A520) overview

Q: What does the aggregate-demand-supply-and-policy module of Eduqas Economics cover?

It is the core framework of macroeconomic analysis and policy. It covers aggregate demand (consumption, investment, government spending and net exports) and its determinants, short-run and long-run aggregate supply and macroeconomic equilibrium, the circular flow with injections and withdrawals, the multiplier and its calculation and the accelerator, the three policy levers (fiscal policy with the budget balance and national debt, monetary policy with interest rates, inflation targeting and quantitative easing, and market-based and interventionist supply-side policies), and the conflicts between objectives, including the short-run and long-run Phillips curves and the role of expectations.

An overview of the aggregate-demand-supply-and-policy module of Eduqas A-Level Economics (A520), covering the AD-AS model, the multiplier and accelerator, fiscal, monetary and supply-side policy, and the policy conflicts captured by the Phillips curve, and how this macroeconomic content is examined.

Generated by Claude Opus 4.89 min readEduqas-A520-MacroeconomicsUpdated 2026-06-02

Reviewed by: AI editorial process; not yet individually human-reviewed

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The statements in this module
How this module is examined
How to study this module
Work through the statements
For the official specification

The aggregate-demand-supply-and-policy module of Eduqas A-Level Economics (specification A520) is the heart of macroeconomic analysis: the AD-AS model and the three policy levers governments use to manage the economy. This page maps the specification statements and how they are examined.

The statements in this module

Aggregate demand and aggregate supply: The components of aggregate demand, the determinants of short-run and long-run aggregate supply, macroeconomic equilibrium, and the effects of shifts in AD and AS.
The multiplier and accelerator: The circular flow of income, injections and withdrawals, the multiplier process and its calculation from the marginal propensities, and the accelerator effect.
Fiscal policy: Government spending and taxation, the budget balance and the national debt, direct and indirect and progressive and regressive taxes, automatic stabilisers, and the strengths and weaknesses of fiscal policy.
Monetary policy: Interest rates and the transmission mechanism, the role of the central bank and inflation targeting, quantitative easing, and the strengths and weaknesses of monetary policy.
Supply-side policies: Market-based and interventionist supply-side policies, their effect on long-run aggregate supply and the objectives, and their costs, limits and time lags.
Policy conflicts and the Phillips curve: The trade-offs between objectives, the short-run Phillips curve, the vertical long-run Phillips curve, and the role of expectations.

How this module is examined

Eduqas Economics is a two-year linear course with three papers at the end. This content is sampled across all of them: Component 1 uses multiple-choice and short structured questions, Component 2 uses data-response calculations (the multiplier, tax incidence) and AD-AS analysis, and Section B of Component 3 offers a choice of macroeconomics essays marked by levels of response. Higher-mark questions reward accurate AD-AS diagrams and balanced evaluation of policy.

How to study this module

Master the AD-AS diagram. Practise shifting AD, SRAS and LRAS and reading off the effects on output and the price level for every scenario.
Drill the multiplier. The formula $\frac{1}{1 - MPC} = \frac{1}{MPW}$ and the link to leakages recur in data response.
Compare the three policy levers. Know the strengths, weaknesses and time lags of fiscal, monetary and supply-side policy, and match each to the right problem.
Use the Phillips curve for evaluation. The short-run trade-off and the vertical long-run curve are the key to evaluating demand-side policy.

Work through the statements

Each statement has its own focused answer page with worked exam questions and cross-links: aggregate demand and aggregate supply; the multiplier and accelerator; fiscal policy; monetary policy; supply-side policies; and policy conflicts and the Phillips curve.

For the official specification

Eduqas publishes the full specification (A520), past papers and mark schemes at eduqas.co.uk. Always revise from the current specification and Eduqas's own past papers, because the multiple-choice format of Component 1 and the levels-of-response mark schemes are board-specific.

Sources & how we know this

Eduqas A Level Economics Specification (A520) — Eduqas (2015)