2.1 Government and the economy
- Syllabus
- 2026
- Section
- 2.1
- Level
- —

Economic growth is an increase in an economy's real output over time. It is measured by growth in real gross domestic product (GDP), the value of final goods and services produced within the economy.
| Stage | Real GDP / growth | Inflation pressure | Unemployment |
|---|---|---|---|
| boom | output is high and may grow rapidly | usually rises as demand and capacity pressure build | usually low |
| downturn | growth slows and output may begin to fall | usually eases | usually rises |
| recession | real GDP falls and activity is weak | usually low or falling, though supply shocks can differ | high or rising |
| recovery | real GDP begins rising again | may start to rise | usually falls as firms hire |
| Possible benefit of growth | Possible cost or limit |
|---|---|
| firms hire more workers and unemployment falls | rapid demand growth can cause inflation |
| higher incomes can improve living standards and reduce poverty | gains may be unequally distributed |
| investment can expand productive potential | extra production can create air, water, noise and visual pollution |
| higher profits, spending and tax revenue can support further activity | finite resources may be depleted and the economy may overheat |
GDP enables comparisons over time and between countries, but use real GDP to remove inflation and real GDP per person when population differs. GDP still misses distribution, much informal activity, unpaid output, environmental costs and other aspects of wellbeing.
A rise in nominal GDP can reflect higher prices rather than more output. Growth in total real GDP does not guarantee that real GDP per person or every household's living standard rose.
Inflation is a sustained rise in the general price level; deflation is a sustained fall. Low and stable inflation makes planning easier than high, volatile inflation or deflation.
A consumer price index (CPI) tracks the cost of a weighted representative basket of household goods and services. Weights reflect how much households typically spend on each category.
inflation rate=previous CPIcurrent CPI−previous CPI×100
| Type | Causal chain |
|---|---|
| demand-pull | aggregate demand grows faster than productive capacity → firms raise prices |
| cost-push | wages, energy, raw materials, taxes or import costs rise → unit costs rise → firms raise prices or reduce output |
| Channel | Likely effect of high or unstable inflation |
|---|---|
| prices and wages | purchasing power falls when wages lag; wage demands may rise |
| exports | domestic goods become less price competitive if inflation exceeds trading partners' |
| employment | demand-pull pressure can initially support jobs; severe cost-push inflation can reduce output and employment |
| menu and shoe-leather costs | firms spend resources changing prices; consumers spend time and effort searching for value |
| uncertainty and confidence | planning becomes harder, weakening consumer confidence, business confidence and investment |
Central banks may raise interest rates when inflation is above target: saving becomes more attractive and borrowing dearer, reducing spending and demand-pull pressure. Higher rates may also strengthen the currency and lower import costs, but can weaken growth and employment.
Inflation means prices are rising, not that every price rises equally. A lower positive inflation rate means prices rise more slowly; only deflation means the general price level falls.
Under the International Labour Organization measure, an unemployed person is without work, available to work and actively seeking work. The labour force is employed people plus unemployed people.
unemployment rate=labour forcenumber unemployed×100
| Type | Cause | Example |
|---|---|---|
| cyclical | weak demand during downturn or recession | builders lose jobs when investment falls |
| structural | worker skills or location do not match available jobs, often after lasting industry or technology change | automation replaces routine roles while new jobs need different skills |
| seasonal | labour demand changes predictably during the year | tourism or harvest work ends off-season |
| voluntary | a person chooses not to accept available work | available wage or conditions are rejected |
| frictional | time spent moving between jobs or entering the labour market | a worker searches after leaving one job |
| Impact area | Chain from higher unemployment |
|---|---|
| output and scarce resources | willing labour is unused → actual GDP is below potential |
| poverty | lost earnings reduce household income and living standards |
| government budget | benefit spending rises while income-tax and spending-tax revenue fall |
| confidence | households cut spending and firms expect weaker sales, reducing investment and hiring |
| society | skills can erode; stress, ill health, exclusion and crime risks may rise |
The unemployment rate uses the labour force, not the whole population. Structural unemployment is a mismatch, while cyclical unemployment comes from the economic cycle; a short job search is frictional.
The current account records international transactions in goods and services and other current flows. In this syllabus, trade in physical goods is visible trade and trade in services is invisible trade.
trade balance=(goods exports+services exports)−(goods imports+services imports)
| Result | Meaning |
|---|---|
| positive balance / surplus | export receipts exceed import spending |
| zero balance | export receipts equal import spending |
| negative balance / deficit | import spending exceeds export receipts |
| Change | Likely current-account effect | Mechanism |
|---|---|---|
| better quality or lower prices of domestic output | improves | exports rise and domestic buyers may switch from imports |
| stronger domestic income growth | worsens | households and firms buy more imports |
| currency depreciation | may improve after adjustment | exports become cheaper abroad and imports dearer at home |
| currency appreciation | may worsen | exports become dearer abroad and imports cheaper at home |
| weak foreign demand or poor domestic competitiveness | worsens | export demand falls |
A persistent deficit can leak demand to foreign producers, weaken domestic output and employment, reduce tax revenue, place downward pressure on the exchange rate, use foreign-currency reserves or require borrowing. Cheaper or higher-quality imports and investment goods can still benefit consumers and productive capacity.
A deficit is a flow over a period, not automatically a debt. The exchange-rate effect is not guaranteed: elasticities, time lags, import dependence and other financial flows matter.
| Environmental damage | Business route |
|---|---|
| visual pollution | litter, waste, mining scars or unattractive buildings |
| noise pollution | aircraft, transport, construction or machinery disturb others |
| air pollution | vehicles, power generation and factories emit gases or particles |
| water pollution | mining, agriculture or industry discharge chemicals, waste or heated water |
| Government response | Protection mechanism | Main limitation |
|---|---|---|
| taxation | makes damaging activity dearer and can fund protection | weak if behaviour is unresponsive |
| subsidy | lowers the cost of green technology or cleaner choices | opportunity cost and possible dependence |
| regulation | sets standards, limits or bans | monitoring and compliance costs |
| fines | penalise detected breaches and deter harm | weak if detection is unlikely or fines are small |
| pollution permits | cap legal emissions and may reward firms that cut pollution | cap/allocation can be wrong and emissions must be monitored |
| government parks | conserve ecosystems and provide cleaner recreation and tourism benefits | land, creation and maintenance have opportunity costs |
Match the policy to the source of damage, then judge behavioural response, enforcement, administrative cost and opportunity cost. A mix can combine a firm limit with incentives to exceed the minimum standard.
Providing a park creates environmental and social benefits but does not directly stop emissions elsewhere. More permits usually relaxes a cap; environmental protection requires a sufficiently tight total allowance.
| Concept | Meaning |
|---|---|
| income inequality | income is distributed unevenly across people or households |
| absolute poverty | income or resources are insufficient to meet basic needs such as food, shelter and essential healthcare |
| relative poverty | income is substantially below the typical level in that society, limiting participation in its normal living standard |
Governments may reduce poverty and inequality so basic needs are met, living standards rise and society treats people more fairly. Lower deprivation can also improve health, skills, participation and social cohesion.
| Policy | Redistribution route | Trade-off or condition |
|---|---|---|
| progressive taxation | higher-income earners pay a higher percentage; revenue can fund support and services | very high rates may weaken incentives, encourage avoidance or deter investment |
| benefit payments | transfer income directly to eligible low-income or unemployed households | accurate targeting and work incentives matter; spending has an opportunity cost |
| education investment | builds skills and access to better-paid work, addressing long-run causes | effects take time and depend on quality and access |
| healthcare investment | prevents medical costs and poor health from blocking work and living standards | costly and effective provision must reach those in need |
A coordinated package can relieve poverty now through benefits while education and healthcare expand future earning capacity; progressive revenue helps finance it. Judge coverage, targeting, time horizon, fiscal cost and incentive effects.
Reducing absolute poverty does not necessarily eliminate income inequality. Equal incomes are not required to reduce inequality, and a richer country can still have relative poverty.
Fiscal policy is the government's use of taxation and expenditure to influence macroeconomic objectives.
| Budget element | Meaning or example |
|---|---|
| direct tax | charged directly on income, wealth or profit, such as income or business tax |
| indirect tax | charged on spending on goods and services, such as VAT/GST or excise duty |
| expenditure | healthcare, education, benefits, infrastructure, defence and public services |
| fiscal deficit | government expenditure exceeds revenue |
| fiscal surplus | government revenue exceeds expenditure |
fiscal balance=government revenue−government expenditure
| Fiscal change | Demand route | Likely objective effects |
|---|---|---|
| lower taxes or higher spending | disposable income, consumption, investment or direct public demand rises | growth and employment may rise; demand-pull inflation, imports and deficit may rise |
| higher taxes or lower spending | total demand falls | inflationary pressure may fall; growth and employment may weaken |
| productive spending on health, education or infrastructure | improves labour quality, mobility or capacity as well as demand | can raise long-run output but costs money and depends on delivery |
A deficit can support activity in a downturn but requires reserves, borrowing or future revenue and may raise debt-service or inflation pressure. A surplus creates fiscal room or repays debt but withdraws demand and has an opportunity cost in foregone services or investment.
Direct and indirect describe how a tax is collected, not whether it is high or fair. A deficit is annual spending above revenue; it is not the same as the accumulated public debt.
Monetary policy uses interest rates and monetary conditions to influence demand and macroeconomic objectives. An interest rate is the cost of borrowing or reward for saving; a central bank sets or guides the policy rate.
| Policy-rate change | Consumer and business mechanism | Likely macro effect |
|---|---|---|
| rate rises | borrowing and existing variable-rate repayments cost more; saving pays more; consumption and investment fall | lower demand, growth and employment; less demand-pull inflation; currency may strengthen and reduce import prices |
| rate falls | borrowing costs and saving rewards fall; consumption and investment may rise | higher demand, output and employment; inflation/import demand may rise |
Asset purchasing occurs when a central bank buys assets such as government or corporate bonds. It injects money into the financial system, can lower longer-term borrowing costs and encourage banks, consumers and firms to lend and spend more.
Effectiveness depends on confidence, debt levels, how banks pass on rates, the type of inflation, spare capacity and time lags. Higher rates address demand-pull inflation more directly than a one-off supply-cost shock and can conflict with growth and employment.
The central bank normally sets the policy rate, not every retail loan rate. A lower rate creates an incentive to borrow and spend but cannot force households, banks or firms to do so.
Supply-side policy aims to increase productivity, productive capacity and total output by improving how markets and resources work.
| Policy | Capacity/productivity route | Main risk or limit |
|---|---|---|
| privatisation | private ownership and profit incentives may increase efficiency and investment | weak competition can replace a public monopoly with a private one |
| deregulation | fewer entry or operating barriers can raise competition and innovation | weaker safeguards can harm workers, consumers or environment |
| education and training | stronger human capital raises skill, adaptability and output per worker | costly and slow; training must match job needs |
| support for high-unemployment regions | incentives, training or relocation support bring idle labour and firms together | firms may leave when support ends or jobs may not match skills |
| infrastructure spending | better transport, energy and digital networks reduce time/cost and expand mobility | long, complex projects and opportunity cost |
| lower business tax | higher retained profit can fund investment and attract firms | revenue falls if investment responds weakly |
| lower income tax | higher reward from work may increase participation or hours | job availability and non-tax factors may matter more; revenue falls |
Successful supply-side policy can raise non-inflationary growth, productivity, employment, competitiveness and the current account. Some measures also create short-run demand, but most capacity benefits take time.
Deregulation removes or relaxes rules; privatisation changes ownership. Neither guarantees competition, efficiency or higher output without suitable market conditions.
| Control | Main advantage | Main disadvantage |
|---|---|---|
| regulation | clear rules or standards can prevent harmful activity directly | compliance and monitoring cost; rigid design can restrict useful activity |
| legislation | creates an enforceable legal duty, ban or consumer/worker right | drafting, enforcement and court action take time; unintended loopholes may remain |
| fines | makes detected non-compliance costly and can apply the polluter-pays principle | ineffective when detection is unlikely, delayed or the fine is small relative to gain |
| pollution permits | caps allowed emissions and transferable permits reward cheaper abatement | cap/allocation and monitoring are difficult; too many permits achieve little |
Evaluate each control by the size and certainty of the incentive, monitoring quality, enforcement speed, administrative and compliance cost, flexibility, and whether firms can evade or pass on the cost.
A fine of £2.3m may not deter a firm earning hundreds of millions if breaches are detected years later. A falling total permit allowance tightens the emissions cap, while a plastic ban can remove a product quickly if compliance is enforced.
Legislation is the law-making basis; regulation is the detailed rule or standard applied under law. Fines punish breaches, while permits authorise a limited amount of activity.
A macroeconomic trade-off occurs when a policy or economic change improves one objective but makes another harder to achieve. The conflict is conditional: it depends on the cause, spare capacity, time period and policy design.
| Objectives | Why a trade-off can occur | When it may weaken |
|---|---|---|
| unemployment and inflation | stronger demand raises output and hiring, but near capacity it raises prices; low unemployment can also increase wage pressure | spare capacity or productivity growth lets output rise with less price pressure |
| economic growth and inflation | rapid demand-led growth can create demand-pull inflation and bottlenecks | supply-side growth expands capacity, reducing inflation pressure |
| economic growth and environmental protection | more production and transport can increase resource use and pollution; strict controls can raise cost or restrict output | clean technology, well-designed incentives and green investment can support both |
| inflation and the current account | domestic prices rising faster than trading partners reduce export competitiveness and make imports relatively attractive, worsening the balance | higher productivity, better quality or a compensating exchange-rate change can protect competitiveness |
| Policy direction | Intended gain | Possible trade-off |
|---|---|---|
| expansionary fiscal/monetary policy | growth and lower cyclical unemployment | higher inflation and import demand |
| contractionary demand policy | lower inflation and possibly improved current account | weaker growth and higher unemployment |
| environmental regulation or permits | less pollution | compliance cost and short-run job/output loss in polluting sectors |
| supply-side or green investment | capacity, productivity and cleaner production | fiscal cost and long implementation lag, but fewer long-run conflicts |
To analyse a trade-off: name the policy or change, trace its first objective through a causal chain, trace the second objective, then state the condition that determines the strength or duration of the conflict.
Do not claim that low unemployment always causes inflation or that environmental protection always reduces growth. Supply conditions, technology and policy design can shift or remove the apparent trade-off.