1.6 Government objectives and policies

Syllabus
2026
Topic
1.6
Level

Explain why taxation constrains government spending

Governments spend to provide public services and use taxation as a major source of the revenue needed to fund them.

Stage Mechanism Business relevance
raise revenue taxes are collected from incomes, profits, spending or other tax bases taxes can reduce household spending power or increase business costs
provide public services government funds services such as policing, education, health and other shared provision firms and workers may benefit from safety, skills and a healthier workforce
face constraints available tax revenue, borrowing capacity and competing priorities limit total spending funding one service or project has an opportunity cost because resources cannot fund every alternative

Higher taxation can finance more services, but it may reduce disposable income, profit or incentives depending on the tax. Lower taxation may leave households or firms with more funds while restricting public-service spending unless revenue is replaced.

Assess both sides: which service is funded, who pays the tax, the size/timing of the change and how effectively spending is used. Government spending is constrained by finite resources, not simply by whether a service is desirable.

A public service is provided or funded for collective/public benefit; it is not just any service sold to customers. Tax revenue is not unlimited, so every spending choice involves priorities.

Trace how infrastructure, legislation and trade policy affect business

Government influence Business mechanism Possible benefit Possible cost/risk
infrastructure provision transport, digital, energy or other networks change access, reliability and operating time/cost wider markets, faster delivery, improved productivity or location attractiveness taxes/funding cost; construction disruption; benefits may be uneven
legislation laws set required standards for employment, consumers, safety, competition or the environment trust, fairer conditions and reduced harm can support sustainable demand compliance, training, redesign, monitoring or penalties raise cost
trading-bloc membership lower barriers between members can widen markets and supplier choice easier/cheaper member trade and greater competition/choice stronger member competition; non-members may still face barriers
tariffs a tax on imports raises their landed price domestic producers may gain protection from lower-priced imports importers and firms using foreign inputs face higher cost; retaliation may reduce exports

Use policy → direct business change → cost/revenue/quality/risk → stakeholder outcome. Example: improved roads → shorter delivery times → lower distribution cost and more reliable service → potential competitiveness gain.

Impact depends on sector, size, location, import dependence, destination markets, ability to pass on costs and time horizon. The same tariff can help a domestic competitor and harm an importer.

Legislation does not only ‘cost businesses’: it can also improve confidence, safety or market standards. Trading-bloc membership reduces some internal barriers but does not mean all world trade is barrier-free.

Trace interest rates through borrowing and consumer spending

An interest rate is the price of borrowing and the return on saving. A change affects businesses directly through finance and indirectly through customer spending.

Rate change Direct effect on business Consumer-spending channel Likely business outcome
interest rates rise new/variable-rate borrowing and repayments become more expensive; investment is less attractive indebted households may have less disposable income; saving becomes more attractive lower investment/cash flow/profit and weaker demand, especially for discretionary or credit-financed products
interest rates fall borrowing and repayments become cheaper; more projects may be worthwhile debt payments may fall and saving is less rewarding, supporting spending higher investment, cash flow and demand, though savers may receive less income

Business channel: rate rise → finance cost rises → profit/cash flow falls → expansion may be delayed. Demand channel: rate rise → household debt payments rise → disposable income falls → consumer spending and business revenue may fall.

Effect depends on existing debt, fixed versus variable rates, cash reserves, investment plans, customer borrowing, product necessity and the size/duration of the change. A cash-rich firm serving foreign tourists may be less affected than a highly indebted seller of discretionary goods.

A rate rise does not automatically reduce every firm's sales or profit. Some savers gain interest income, some loans are fixed, and customer/business exposure differs.