Households

What households do with income

A household can do three things with its disposable income (income after tax):

• Spend it on goods and services, consumption.
• Save it for the future.
• Or spend more than it earns by borrowing.

Disposable income = spending + saving. Anything not spent is, by definition, saved.

Influences on spending

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• Income: the single biggest influence. Higher income means more spending in total.
• Confidence. If people expect to keep their jobs, they spend more. Fear of unemployment makes them cut back.
• Interest rates. Lower rates make borrowing cheaper and saving less rewarding, so spending rises.
• Availability of credit. Easy access to loans and credit cards raises spending.
• Wealth. People who own assets, a house, savings, shares, feel richer and spend more.
• Age. Young households spend heavily setting up home; older households often spend less.
• Taxation. Higher income tax lowers disposable income and so lowers spending.
• Expectations of prices. If prices are expected to rise, people buy sooner.

Influences on saving

• Income: the most important. Higher income makes saving much easier.
• Interest rates. Higher rates reward saving, so saving tends to rise.
• Confidence about the future. Uncertainty encourages precautionary saving.
• Age. Saving is usually highest in middle age, when income peaks and major costs are past.
• Availability of pensions and welfare. Where the state provides good pensions, people may save less themselves.
• Inflation. High inflation discourages saving, because money loses value.

Influences on borrowing

• Interest rates. Lower rates make borrowing cheaper, so borrowing rises.
• Confidence. People borrow when they feel secure about future income.
• Availability of credit and how easy banks make it.
• Wealth and collateral. Those with assets can borrow more, and more cheaply.
• The purpose: houses and cars usually require borrowing; small purchases do not.

How this differs by income level

This is the part of the topic that carries the most marks, and it rests on one idea:

As income rises, the proportion spent falls and the proportion saved rises.

Two consequences worth stating:

• Lower-income households have a higher propensity to consume, so giving them extra income raises total spending in the economy more than giving the same amount to the rich. This matters for policy (Unit 4).
• Indirect taxes are regressive. Because poorer households spend nearly all their income, a tax on spending takes a larger share of their income than of a rich household's.

Worked example

The central bank cuts the interest rate.

1. Borrowing becomes cheaper and saving less rewarding
2. households borrow more and save less
3. spending rises.

But the effect differs by group:

• High-income households with mortgages gain the most in cash terms, and may spend more or invest.
• Low-income households with little borrowing capacity gain less; if they have small savings, they actually lose interest income.
• Savers, especially pensioners, are worse off, because their interest income falls.

Evaluation. The size of the effect depends on confidence. In a recession, cheap borrowing may not raise spending at all if households fear losing their jobs; they may save more instead, despite the low return. That is a strong point and links to monetary policy in 4.4.

Common exam mistakes

• Saying poorer households "spend more" than rich ones. They spend a larger proportion, not a larger amount.
• Forgetting that income is the main influence on all three of spending, saving and borrowing.
• Saying higher interest rates always cut spending, without mentioning confidence.
• Confusing saving with investment. Saving is not spending; investment is firms buying capital.
• Ignoring that some borrowing by low-income households is for necessities, not luxuries.

Exam technique

Whenever a question compares income groups. Use the word proportion. That is the distinction examiners are testing.

For "influences on..." questions, give income first, then two or three other factors, each with a short explanation of the mechanism.

If asked about a policy such as an interest-rate change, discuss different groups separately, borrowers, savers, low and high income. That structure produces a balanced answer almost automatically.

Building an answer

4 marks, "Explain two factors that influence how much a household saves."

Income is the main one. As income rises, a household can cover its needs with less of it, so it can save a larger proportion, the average propensity to save rises with income.
Interest rates matter too. A higher rate raises the reward for saving and the cost of borrowing, so households save more and borrow less.

6 marks, "Analyse how a fall in interest rates affects household spending and saving."

Saving becomes less rewarding, because the return on deposits falls, so households substitute towards spending now rather than later.
Borrowing becomes cheaper, so purchases usually made on credit, cars, furniture, home improvements, become more affordable and demand for them rises.
Households with mortgages face lower repayments, which raises their disposable income and allows more spending on everything else.
The overall effect is higher consumption and lower saving, though it is weaker if households are pessimistic about their job security, since confidence can outweigh the interest rate.

Spending, saving and borrowing

The age pattern is the life-cycle idea: borrow when young, save in middle age, spend savings in retirement. It explains why a country's age structure affects its national saving rate.

A real case to quote

UK household saving, 2020–22. The saving ratio spiked to record levels during lockdowns, not because rates rose but because spending opportunities disappeared and precautionary motives strengthened. It then fell sharply as inflation eroded real incomes and households dipped into those savings. A neat demonstration that saving is a residual, driven as much by circumstance and confidence as by the interest rate.

Quick revision

• Disposable income = spending + saving.
• Main influence on all three behaviours: income.
• Others: interest rates, confidence, credit availability, wealth, age, taxation, inflation.
• As income rises, the proportion spent falls and the proportion saved rises.
• Low-income households spend nearly all income, mostly on necessities.
• Poorer households have a higher propensity to consume, so indirect taxes are regressive.
• Interest-rate effects depend on confidence.

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