Cambridge IGCSE Economics 0455
Syllabus points
- Define supply-side policy.
- Explain measures such as education, training, tax incentives and privatisation.
- Explain the effects on the government's aims.
What is supply-side policy?
Supply-side policies aim to increase the economy's productive capacity — its ability to produce goods and services — by making markets and workers more efficient and productive. Unlike fiscal and monetary policy (which mainly affect demand), supply-side policies work on the supply side.
Key definitions
| Term | Definition |
|---|---|
| Supply-side policy | Government measures to raise productivity and productive capacity. |
| Privatisation | Transferring a firm or industry from government to private ownership. |
| Productivity | Output per unit of a factor of production. |
Main measures
- Education and training — a more skilled, productive workforce.
- Lower income tax — to strengthen the incentive to work.
- Lower corporation tax — to encourage firms to invest.
- Privatisation and deregulation — to increase competition and efficiency.
- Improving infrastructure — better transport and communications.
- Reducing trade union power / labour market reform — to make labour markets more flexible.
Supply-side policies raise the economy's capacity, shifting the PPC outward and helping achieve several aims at once.
Effects on the aims
Successful supply-side policies can improve all four aims together: higher growth, lower unemployment, lower inflation (more supply eases price pressure) and a stronger trade position. However, they are usually slow to take effect and can be costly (education and infrastructure).
Worked example
A government funds more vocational training and cuts corporation tax. Over several years, workers become more skilled and firms invest in new machines, so productivity and capacity rise. This can raise growth and cut unemployment *without* the inflation that a demand boost might cause — but the benefits take time and cost money upfront.
Common exam mistakes
- Confusing supply-side policy (capacity) with demand-side policy (fiscal/monetary).
- Assuming effects are instant — they are long-term.
Exam technique
Explain how each measure raises productivity or capacity, then note the strength (can improve several aims) and weakness (slow and costly) for evaluation.
Quick revision
- Supply-side policy raises productive capacity (education, training, tax cuts, privatisation, infrastructure).
- Can improve all aims but is slow and costly.