The Two Levers of Fiscal Policy
While central banks control monetary policy, governments control fiscal policy — decisions about how much to spend and how much to tax. Together, these two levers shape the economic environment everyone operates in.
Government spending includes infrastructure, defence, healthcare, education, welfare payments, and interest on public debt. When governments spend more, they inject money into the economy, boosting demand. When they cut spending, they withdraw it.
Taxation extracts money from households and businesses to fund that spending. Higher taxes reduce disposable income and corporate profits, dampening private spending. Lower taxes leave more money in private hands, stimulating consumption and investment.
Expansionary vs Contractionary Fiscal Policy
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When the economy is weak, governments may choose expansionary fiscal policy: increase spending, cut taxes, or both. The goal is to inject demand into the economy and reduce unemployment.
When the economy is overheating — growing too fast with rising inflation — governments may turn to contractionary fiscal policy: cut spending or raise taxes to cool demand.
In practice, fiscal policy is slow to implement. Spending programmes take time to design, approve, and deploy. Tax changes require legislation. By the time fiscal stimulus reaches the economy, the problem it was meant to solve may have evolved.
The Multiplier Effect
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Government spending can have an amplified effect on economic output through the multiplier effect. When the government pays a construction worker to build a road, that worker spends their wages at local businesses, those businesses hire more staff, who spend their wages elsewhere — and so on. A dollar of government spending can generate more than a dollar of economic activity.
The size of the multiplier depends on how much of each extra dollar of income gets spent rather than saved or spent on imports.
Why This Matters
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Fiscal policy determines the environment your finances operate in. Tax rates affect your take-home pay and investment returns. Government spending shapes the quality of public services you rely on. Deficit spending today often means higher taxes or reduced services tomorrow. Understanding the direction of fiscal policy helps you anticipate the economic backdrop for the years ahead.