Every business is affected by external influences 外部影响 — things outside the business that it cannot control, such as the economy, the law and the environment. A good business watches these and plans for them.

IGCSE Business Studies · Topic 6
8:24
External influences on business activity
This building is not a business. Nobody inside it sells anything. But the people in there can raise a tax, change a law, or push interest rates up — and every…
English narration · English + 中文 subtitles burned in
Every business is affected by external influences 外部影响 — things outside the business that it cannot control, such as the economy, the law and the environment. A good business watches these and plans for them.

| English |
|---|
| external influences/ekˈstɜːnl ˈɪnfluːənsɪz/ |
Source: Cambridge International syllabus

The economy does not grow at a steady pace. It moves in a repeating pattern called the business cycle 经济周期, with these stages.
| Stage | What happens | Effect on business |
|---|---|---|
| growth 增长 | the economy is rising; people spend more | sales and profit rise; firms expand and hire |
| boom 繁荣 | spending is very high | prices and wages rise; shortages appear |
| recession 衰退 | spending falls; the economy shrinks | sales and profit fall; firms cut jobs |
| slump 萧条 | a deep, long recession | many firms close; high unemployment 失业 |
| recovery 复苏 | spending starts to rise again | sales slowly improve |

In hard times a business may cut costs, lower prices, or sell cheaper products.
Governments try to keep the economy healthy. Their main aims are stable prices, plenty of jobs, steady growth, and a stable currency. To manage the economy, a government uses or watches several economic factors. Each one affects every business.
| Economic factor | What it is | Effect on business |
|---|---|---|
| taxation 税收 | money the government takes from incomes and sales | higher tax leaves people with less to spend, and cuts business profit |
| interest rates 利率 | the cost of borrowing money | higher rates make loans dearer, so firms borrow and invest less, and customers spend less |
| inflation 通货膨胀 | a general rise in prices | costs rise; if wages chase prices, the country's goods can become too dear |
| unemployment | the number of people without work | high unemployment lowers sales, but workers are easier to hire |
| exchange rates 汇率 | the price of one currency in another | a change makes imports and exports cheaper or dearer (see below) |
Classify outside changes by the channel that hits the business.
| English |
|---|
| business cycle/ˈbɪznəs ˈsaɪkl/ |
| growth/ɡrəʊθ/ |
| boom/buːm/ |
| recession/rɪˈseʃn/ |
| slump/slʌmp/ |
| unemployment/ʌnemˈplɔɪmənt/ |
| recovery/rɪˈkʌvəri/ |
| taxation/tækˈseɪʃn/ |
| interest rates/ˈɪntrest reɪts/ |
| inflation/ɪnˈfleɪʃn/ |
| exchange rates/eksˈtʃeɪndʒ reɪts/ |
Source: Cambridge International syllabus

When a business acts, other people can gain or lose.

Sustainable development 可持续发展 means meeting today's needs without harming the ability of future people to meet their own needs. A business can harm the environment 环境 — through waste, pollution, and using up resources — or protect it, through recycling, clean energy and less packaging.
A pressure group 压力团体 is a group that tries to influence businesses and governments, for example to cut pollution. Pressure groups use the media, protests and boycotts. A business may change its behaviour to avoid bad publicity.
Ethical behaviour 道德行为 means doing what is morally right, even when no law forces it — for example fair pay, safe products, and no child labour. Acting ethically can cost more in the short term, so it may conflict 冲突 with profit. But it can also win loyal customers and a good name, which raise profit in the long term.
Classify outside changes by the channel that hits the business.
| English |
|---|
| external costs/ekˈstɜːnl kɒsts/ |
| pollution/pəˈluːʃn/ |
| external benefits/ekˈstɜːnl ˈbenɪfɪts/ |
| sustainable development/səˈsteɪnəbl dɪˈveləpmənt/ |
| environment/enˈvaɪrənmənt/ |
| pressure group/ˈpreʃə ɡruːp/ |
| ethical behaviour/ˈeθɪkl bɪˈheɪvjə/ |
| conflict/ˈkɒnflɪkt/ |
Source: Cambridge International syllabus

Globalisation 全球化 is the growing trade and movement of goods, money and people between countries, so the world acts more and more like one single market. It has grown because of cheaper transport, better communication, the internet, and fewer trade barriers such as tariffs 关税 (taxes on imports).
A multinational company 跨国公司 has operations — factories, branches, or offices — in more than one country. (Simply exporting to other countries is not enough; the firm must actually operate there.)
| Benefits to a country | Drawbacks to a country |
|---|---|
| new jobs and training | profits may be sent out of the country |
| investment and new technology | local firms may be forced out of business |
| more choice and lower prices | resources may be used up, or the area polluted |
| more tax paid to the government | a large firm can have too much power |
An exchange rate is the price of one currency in another. A change affects businesses that import 进口 (buy from abroad) and those that export 出口 (sell abroad).
A useful memory aid is SPICED: Strong Pound → Imports Cheaper, Exports Dearer.

Worked example. A UK firm exports a machine priced at £20,000. The exchange rate moves from £1 = 1.50 USD to £1 = 1.20 USD. What happens to the price a US buyer pays, and is that good for the exporter? Convert the UK price at each rate: at the old rate 20,000 × 1.50 = 30,000 USD; at the new rate 20,000 × 1.20 = 24,000 USD. The pound has weakened, so the machine is 6,000 USD cheaper abroad and the firm should sell more - good for an exporter. Check it against SPICED: a weak pound is the reverse of it, so exports are cheaper. Convert the actual figures rather than only reciting the mnemonic, and notice that the UK price never changed at £20,000 - it is the foreign price that moves.
See how access to world markets changes quantity and price pressure.
| English |
|---|
| globalisation/ˌɡləʊbəlaɪˈzeɪʃn/ |
| tariffs/ˈtærɪfs/ |
| multinational company/ˌmʌltɪˈnæʃənl ˈkʌmpəni/ |
| import/ɪmˈpɔːt/ |
| export/ˈekspɔːt/ |
Work through it step by step, with instant-check exercises.
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