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How does a business market its products, and how do the elements of the marketing mix work together?

Marketing and the marketing mix: the 4Ps (product, price, place, promotion), digital marketing, the product life cycle and extension strategies, and the Boston Matrix for managing a product portfolio.

A focused answer to the WJEC A-Level Business Unit 2 marketing content, covering the 4Ps marketing mix, digital marketing, pricing strategies, the product life cycle and extension strategies, and the Boston Matrix, with worked examples and Welsh and UK contexts.

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  1. What this dot point is asking
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What this dot point is asking

WJEC Unit 2 examines the marketing function. You need the marketing mix (the 4Ps), an awareness of digital marketing, and the two key models: the product life cycle (with extension strategies) and the Boston Matrix. Strong answers explain how the elements of the mix must work together and apply the models to real product decisions, rather than just labelling diagrams.

The answer

The marketing mix (the 4Ps)

  • Product - the good or service itself: its design, features, quality, branding and the range offered.
  • Price - what the customer pays; the pricing strategy can be penetration (a low price to enter and gain share), price skimming (a high launch price for a new, distinctive product), cost-plus (cost plus a markup) or competitive/market pricing.
  • Place - how and where the product reaches the customer: the distribution channels, from physical shops and wholesalers to direct online sales.
  • Promotion - communicating with customers through advertising, sales promotions, public relations, personal selling and digital channels.

Digital marketing

The product life cycle

Most products pass through a life cycle of four stages:

  • Introduction - launch; sales are low and promotion is heavy to build awareness; the product may make a loss.
  • Growth - sales rise quickly as the product catches on; competitors may enter.
  • Maturity - sales peak and level off; competition is fierce and the firm defends its share.
  • Decline - sales fall as tastes change or rivals overtake; the firm decides whether to harvest, reposition or withdraw.

Extension strategies prolong the maturity stage and delay decline: adding new features, finding new markets or uses, repackaging or rebranding, changing the price, or increasing promotion.

The Boston Matrix

The Boston Matrix plots each product by its market share and its market growth to manage the whole portfolio:

  • Stars - high share in a high-growth market; promising but need investment.
  • Cash cows - high share in a low-growth (mature) market; generate steady cash to fund others.
  • Question marks (problem children) - low share in a high-growth market; need a decision to invest or drop.
  • Dogs - low share in a low-growth market; usually candidates for withdrawal.

The aim is a balanced portfolio: cash cows fund stars and promising question marks, while dogs are managed or removed.

Examples in context

Example 1. A penetration-priced challenger. A new Welsh soft-drinks brand enters a market dominated by big rivals using penetration pricing - a deliberately low launch price - to win trial and build share quickly, supported by heavy social-media promotion (digital marketing) aimed at younger consumers. The low price and online focus keep costs down while the brand is in its introduction and growth stages. The example shows the mix elements chosen to fit a challenger's situation.

Example 2. Extending a mature product. A long-established confectionery bar in the maturity stage uses extension strategies to keep sales up: limited-edition flavours, new pack sizes for sharing, and seasonal promotions. As a cash cow on the Boston Matrix, its steady profit funds the firm's newer star products. The example illustrates how a firm uses both the life cycle and the matrix to manage a long-lived product rather than letting it slide into decline.

Try this

Q1. State the four elements of the marketing mix. [2 marks]

  • Cue. Product, price, place and promotion (the 4Ps).

Q2. Explain one extension strategy a business could use to prolong a product's life. [3 marks]

  • Cue. For example, adding new features or flavours, finding new markets or uses, repackaging/rebranding, changing the price, or increasing promotion - any one, with a short explanation of how it lifts sales in the mature stage.

Exam-style practice questions

Practice questions written in the style of WJEC exam questions on this dot point, with worked answer explainers. The year tag is the paper they imitate, not the source.

WJEC 20196 marksExplain how a business might use the product life cycle to manage its products.
Show worked answer →

The product life cycle (introduction, growth, maturity, decline) shows how sales change over time, so a firm uses it to plan marketing for each stage.

In introduction and growth the firm invests in promotion to build awareness; in maturity it defends share and uses extension strategies (new features, new markets, repackaging, price changes) to prolong sales; in decline it decides whether to harvest, reposition or withdraw.

Markers reward linking each stage to an appropriate marketing decision, ideally naming an extension strategy and applying it to a product.

WJEC 20218 marksAnalyse how digital marketing could benefit a small business.
Show worked answer →

Digital marketing (social media, a website, email, search and online ads) lets a small firm reach a wide audience at low cost compared with traditional media, levelling the field with larger rivals.

It allows targeting of specific segments and measurement of results (clicks, conversions), so spend can be focused and refined, and it supports two-way engagement that builds loyalty.

A strong analysis develops these chains and notes limits: it needs skills and time, faces intense online competition, and can attract negative public feedback. Markers reward developed reasoning applied to a small business.

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