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This lesson examines how businesses operate within an external environment that they cannot control but must respond to. You need to understand how changes in the external environment affect business costs and demand, including the effects of competition, market conditions, interest rates, and income levels. This is part of AQA topic 3.1.3.
Key Definition: The external environment refers to all the factors outside a business that affect its performance and decision-making but are beyond its direct control. These include economic, competitive, legal, political, technological, social, and environmental factors.
Businesses can control their internal operations — their products, prices, marketing, and staffing — but they cannot control what happens in the wider economy, what competitors do, or what the government decides. Successful businesses are those that monitor and respond effectively to changes in the external environment.
Key Definition: Competition exists when two or more businesses are trying to sell similar products to the same customers. The level of competition in a market affects prices, costs, product quality, and innovation.
| Effect | Explanation |
|---|---|
| Downward pressure on prices | In a highly competitive market, businesses may have to lower prices to attract customers, reducing profit margins |
| Pressure to innovate | Competition forces businesses to develop new and improved products to stay ahead of rivals |
| Improved efficiency | Businesses must control costs to remain competitive — this drives efficiency improvements |
| Greater consumer choice | Competition leads to a wider range of products and services for consumers |
| Increased marketing spending | Businesses spend more on advertising and promotion to differentiate themselves from competitors |
The level of competition varies by market. Some markets are highly competitive (e.g., fast food, budget airlines, supermarkets), while others are dominated by a few large firms (e.g., banking, energy supply, telecommunications).
| Market Structure | Number of Firms | Price Control | Examples |
|---|---|---|---|
| Perfect competition | Very many | None — firms are price takers | Theoretical concept; closest examples include agricultural commodity markets |
| Monopolistic competition | Many | Some — through product differentiation | Restaurants, hairdressers, independent coffee shops |
| Oligopoly | A few dominant firms | Significant — firms are interdependent | Supermarkets (Tesco, Sainsbury's, Asda, Morrisons), mobile networks (EE, Three, Vodafone, O2) |
| Monopoly | One dominant firm | Considerable — can set prices | Historically, Royal Mail (letters); Network Rail |
Exam Tip: When discussing competition, always specify what type of market the business operates in. The effect of competition on a business selling a unique, differentiated product (like Apple) is very different from a business selling an undifferentiated commodity (like a wheat farmer).
Market conditions refer to the state of the market in which a business operates. Key factors include:
Key Definition: Market size is the total value or volume of sales in a market. Market share is a business's sales as a percentage of total market sales.
Market Share (%) = (Business's Sales ÷ Total Market Sales) × 100
A business's market share is a key indicator of its competitive position. Tesco, for example, has approximately 27% of the UK grocery market — making it the market leader.
Key Definition: The interest rate is the cost of borrowing money and the reward for saving. In the UK, the Bank of England's Monetary Policy Committee (MPC) sets the base rate, which influences the interest rates charged by commercial banks on loans and mortgages.
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