Chapter 3 – Enterprise, business growth and size

The world of business relies on enterprising individuals willing to take risks. Understanding how firms start and grow – and how their size is measured – is essential for studying business behaviour.

Entrepreneurs and enterprise

An entrepreneur is someone who organises, operates and assumes the risk for a business venture. Key characteristics include creativity, resilience, the ability to spot opportunities, willingness to take calculated risks and determination to see a project through. Governments often encourage entrepreneurship because new businesses can create employment, innovate and drive economic growth. Support may include training programmes, financial assistance and advice centres.

Characteristics of successful entrepreneurs

Business planning

New businesses usually start by drawing up a business plan. This document outlines the business idea, objectives, marketing strategy, operations, financial forecasts and expected costs. A clear plan helps the entrepreneur to clarify their vision, identify potential problems and persuade lenders or investors to provide finance.

Measuring business size

There is no single way to measure how large a business is. Common indicators include:

Each measure has limitations, so a combination is often used.

Why businesses grow

Many firms aim to expand to benefit from economies of scale (lower costs per unit), increased market power, risk spreading and greater prestige. Growth can be achieved internally (organic growth) by increasing output and sales, or externally (integration) by merging with or taking over another firm.

Reasons for business growth include:

The main types of integration are:

Types of integration and their implications
Type of integration Description Potential advantages Potential drawbacks
Horizontal Combining with a competitor at the same stage of production. Economies of scale, reduced competition, increased market share. Risk of monopoly issues, integration difficulties, culture clash.
Vertical (backward) Taking over a supplier. Secures supply of inputs, reduces supply costs, blocks competitors. High capital outlay, risk of inefficiency, may distract from core business.
Vertical (forward) Taking over a distributor or retailer. Better control of distribution, higher profit margins, improved market information. Capital intensive, may alienate existing distribution partners.
Conglomerate Merging with a business in a completely different industry. Diversification of risk, access to new markets. Lack of expertise, management complexity.

Remaining small

Not all businesses choose to grow. Some stay small because the owner wishes to maintain control, markets are limited, personal service is important or because they operate in a niche market. Additionally, rapid expansion can lead to management problems and diseconomies of scale.

Why businesses fail

Examples and applications

Entrepreneurs are found in all walks of life. J.K. Rowling created the Harry Potter brand from a single idea and built a multimillion‑dollar enterprise through books, films and merchandise. On a smaller scale, a local coffee shop owner may start with one outlet and, after establishing a reputation, open additional branches or franchise the brand. These examples show how innovation, risk‑taking and good management can turn an idea into a growing business.

Mergers and takeovers illustrate the different types of integration. For instance, a copper wire maker that merges with a copper mine is practising backward vertical integration because it secures its supply of raw materials. If the same wire maker later joins with an electrical appliance manufacturer, this is forward vertical integration as it moves closer to consumers. Conglomerate integration occurs when businesses in completely unrelated industries combine, such as a house‑building company merging with a clothing manufacturer. These strategies help firms reduce costs, control supply chains or diversify risk, but they also create challenges if the businesses have very different cultures.

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