Public expenditure can provide services, redistribute resources and support economic activity.
Must know
- Separate current capital and transfer spending.
- Consider expenditure relative to GDP.
- Assess both allocation and delivery.
Must know definitions
Capital expenditure: government spending on long-term investment projects and physical assets.
Current expenditure: government's recurring, day-to-day spending on goods and services.
Transfer payments: payments from the state to individuals with no output exchanged in return, used to redistribute income.
Crowding out: a reduction in private sector spending or investment caused by an expansion of the public sector.
Explain and apply
Mechanism in brief: Public spending purchases staff, equipment or infrastructure that may improve services and productivity. Transfers instead support recipients' disposable income, affecting demand through their spending decisions.
Distinguish: A high expenditure ratio can reflect weak GDP; transfers do not directly purchase current output.
Use the extract: Identify capital, current or transfer spending; relate the amount to outputs such as school places or health provision.
The distinction between capital expenditure, current expenditure and transfer payments
- Capital expenditure is government spending on long-term investment projects that create assets usable over many years, such as new hospitals, schools, roads or railways.
- Current expenditure is day-to-day spending on goods and services consumed within the year, such as public sector wages and salaries or drugs used by a national health service.
- Transfer payments are payments made by the state to individuals with no good or service exchanged in return — there is no output produced — and they exist mainly to redistribute income, such as unemployment benefits, child benefit, and the state pension.
| Type | Nature | Example |
|---|---|---|
| Capital expenditure | one-off, creates a long-lasting asset | new hospital, road, school building |
| Current expenditure | recurring, consumed within the year | civil servant salaries, medical supplies |
| Transfer payments | no output exchanged, redistributes income | unemployment benefit, child benefit, state pension |
Reasons for the changing size and pattern of public expenditure in an international context
Changing incomes
demand for many state-provided services (health, education) is income elastic, so as an economy's income rises, demand for these services — and the pressure on government to fund them — rises too.
Changing age distributions
an ageing population, common across many developed economies, increases demand for healthcare, pensions, and long-term care, pushing up the share of public spending devoted to these areas over time.
Changing expectations
rising living standards and new technology in areas such as healthcare and education raise citizens' expectations of what the state should provide, increasing pressure for higher-quality (and higher-cost) public services.
population ages → demand for healthcare and pensions ↑ → government spending on age-related services ↑ → public expenditure as a share of GDP tends to ↑ over time in ageing economies
The significance of differing levels of public expenditure as a proportion of GDP
Productivity and growth
spending on supply-side areas (education, training, infrastructure) can raise long-run productivity and growth; but if the state sector lacks a profit motive, high public expenditure can also result in inefficiency and weaker productivity growth.
Resource crowding out
at full employment, an expanding public sector competes with the private sector for scarce factors of production (labour, capital), leaving less available for private use.
Financial crowding out
if higher spending is financed by borrowing, increased government demand for loanable funds pushes up interest rates, discouraging private sector investment — high public expenditure financed by borrowing → government demand for loanable funds ↑ → interest rates ↑ → private sector investment ↓, ceteris paribus.
Levels of taxation
sustained high public expenditure generally has to be funded by higher taxation in the long run, which can itself weaken work incentives and competitiveness.
International variation
cross-country evidence shows wide variation in public expenditure as a share of GDP — some economies run a relatively small state sector with a lower tax burden, while others (particularly in continental Europe) run a much larger state sector funded by a correspondingly higher tax burden, reflecting differing social choices about the trade-off between public provision and private disposable income.
Judge outputs and outcomes alongside the spending amount. Weak procurement or shortages of trained staff can turn extra funding into higher costs rather than better services; each programme also displaces another possible use of resources.
Rapid recap
Capital spending creates assets; current spending operates services; transfers redistribute income. Expenditure/GDP can rise because spending grows or because GDP falls.
Diagram cue: use AD–AS if demand or capacity is central.
Related chapters: Unit 2 chapter 7 · Unit 4 chapter 13 (p. 60)