Government macroeconomic policy objectives

A government pursues three main macroeconomic objectives.

Price stability means keeping inflation low and stable (often around a 2% target), avoiding both high inflation — which erodes savings, harms competitiveness and creates uncertainty — and deflation, which can cause a downward spiral of spending. Low unemployment means ensuring that most people willing and able to work can find jobs, so labour resources are not wasted and output is close to the economy's capacity. Economic growth means achieving a sustained rise in real GDP (ideally per head), raising incomes, living standards and tax revenue.

To achieve these, the government uses three broad policies. Fiscal policy changes government spending and taxation to influence aggregate demand: expansionary fiscal policy (higher spending or lower taxes) raises AD to cut unemployment and boost growth in a recession, while contractionary fiscal policy reduces AD to control demand-pull inflation. Monetary policy, usually run by the central bank, changes interest rates, the money supply and credit conditions to influence AD in the same way — lower interest rates boost spending, higher rates restrain it. Supply-side policy uses measures such as training, infrastructure and support for technology to raise productivity and productive capacity, shifting LRAS to the right; this can deliver long-run growth without inflation.

The appropriate policy depends on the economy's situation: with spare capacity, expansionary demand-side policy raises output and jobs with little inflation; near full capacity, contractionary policy may be needed to control inflation; and supply-side policy supports long-run growth.

Country P already has low inflation (2%) and moderate unemployment (4%), so the challenge is to raise growth (currently only 1%) without pushing inflation up.

If the government uses expansionary demand-side policy (lower interest rates or higher spending) to raise AD, this could raise growth — but with unemployment already fairly low (limited spare capacity), it risks demand-pull inflation, threatening price stability.

A safer route is supply-side policy: investing in training, infrastructure and technology to raise productivity and capacity. This shifts LRAS to the right, allowing higher real output (growth) without the economy hitting full capacity, so inflation stays low. Supply-side measures can also lower firms' costs, easing any cost-push pressure.

Therefore the government should rely mainly on supply-side policy to raise growth while protecting price stability, perhaps with modest demand support if spare capacity exists. The main drawback is that supply-side policy works slowly, so growth would rise gradually.

Economic growth — a sustained rise in real GDP — is one of three main objectives alongside price stability and low unemployment. Whether it should be the most important is debatable.

The case for prioritising growth. Growth raises real incomes and living standards, which is arguably the ultimate goal of economic activity. It tends to reduce unemployment (more output needs more labour) and raises government tax revenue, funding public services and reducing poverty — so growth can help deliver the other objectives too. For a developing economy, growth is often the most powerful route out of widespread poverty, strengthening the case.

The case against. Prioritising growth can conflict with other goals and cause harm. Rapid demand-led growth near full capacity causes demand-pull inflation, threatening price stability. Growth can damage the environment (pollution, resource depletion) and be unsustainable, and its gains may be unequally distributed, so average growth need not raise most people's welfare. If a country faces runaway inflation or a severe balance-of-payments crisis, controlling those may matter more than growth. Growth measured by GDP also ignores non-material welfare.

Judgement. Economic growth is extremely important — especially sustainable, inclusive growth and especially for poorer economies — because it underpins living standards and helps achieve the other objectives. However, it should not always be the single most important objective: the priority depends on the economy's circumstances. In a slump, restoring growth and jobs is paramount; but where inflation is high or growth is environmentally destructive, price stability or sustainability should take precedence. The most defensible conclusion is that growth is usually the most important long-run objective when it is sustainable and inclusive, but it must be balanced against price stability and other goals according to the situation.

Low unemployment means most people willing and able to work have jobs. It is an appealing indicator of success, but it is not the only one.

The case for low unemployment as the key indicator. Unemployment imposes severe costs — lost output (the economy inside its PPC), falling incomes, poverty, lost skills and social problems — so low unemployment signals that resources are well used and people's incomes and wellbeing are protected. It is closely linked to growth (output near capacity) and to healthy public finances (more tax, fewer benefits), so a low rate captures much about an economy's health.

The case against. Low unemployment alone can be misleading. An economy could have low unemployment but high inflation (overheating), an unsustainable current-account deficit, or low-quality, low-paid jobs — none of which indicate genuine success. The headline rate also hides under-employment, hidden unemployment and discouraged workers, and says nothing about inequality, living standards or the environment. A single indicator cannot capture overall performance: a successful economy also needs stable prices, sustainable growth and external balance.

Judgement. Low unemployment is a very important indicator of success — its costs are so high that achieving it matters greatly — but it is not the best single indicator, because an economy with low unemployment can still suffer high inflation, external imbalance or poor-quality growth. The most defensible conclusion is that economic success should be judged by a range of indicators — low unemployment alongside price stability, sustainable real GDP-per-head growth, a stable current account and a fair distribution — rather than by unemployment alone.