Preview
IB DP Business Management — Unit 4: Marketing | SL | 4.5 The Marketing Mix — Product (BCG Matrix)
📋 What You Will Learn
- Define the BCG Matrix and identify its four quadrants: Stars, Cash Cows, Question Marks, and Dogs
- Explain the two axes (market share and market growth rate) and what each quadrant implies for cash flow and strategy
- Construct and interpret a BCG Matrix for a real multi-product business
- Apply the BCG Matrix to recommend investment, hold, harvest, or divest decisions for specific products
- Evaluate the usefulness and limitations of the BCG Matrix as a strategic marketing tool
📊 Topic Importance
| Paper | Relevance | Common Question Types |
|---|---|---|
| Paper 1 | High | Classify pre-seen company products into quadrants; Recommend a portfolio strategy |
| Paper 2 | High | Section B: interpret BCG data; Section C: Discuss/Evaluate portfolio strategy linked to a concept (e.g. change, sustainability) |
| Paper 3 (HL) | Moderate | Use BCG to justify a product/investment recommendation for a social enterprise |
🔍 Guiding Question How should a business decide which products to invest in, which to maintain, and which to abandon — and what happens when it gets that decision wrong?
🌍 Why This Matters In 2023, Apple's iPhone remained the company's dominant revenue generator — a textbook Cash Cow — while its Vision Pro headset launched as a high-risk Question Mark in a nascent spatial computing market. Managing these two products requires entirely different strategies, budgets, and risk tolerances. The BCG Matrix gives managers a visual language for exactly this kind of portfolio decision.
What Is the BCG Matrix?
Most businesses sell more than one product. The challenge is not just managing each product individually, but managing the whole portfolio — balancing products that generate cash today against those that will generate cash tomorrow. The BCG Matrix, developed by the Boston Consulting Group in the early 1970s, is a portfolio analysis tool that helps managers make those investment decisions systematically.
📘 BCG Matrix A strategic portfolio analysis tool that plots a firm's products (or strategic business units) on a 2×2 grid according to their relative market share (x-axis) and the market growth rate (y-axis), classifying each product into one of four categories: Stars, Cash Cows, Question Marks (Problem Children), or Dogs.
- The matrix assumes that high market share generates cash (through economies of scale and experience effects) and that high market growth requires cash investment to maintain position.
- A balanced portfolio contains products in multiple quadrants — Cash Cows funding Stars and Question Marks.
- The tool is used to decide: invest (build), hold (maintain), harvest (extract cash), or divest (sell/discontinue).
The Two Axes Explained
Axis 1 — Relative Market Share (x-axis)
- Measures a product's market share relative to its largest competitor , not its absolute share.
- High relative market share (left side) → the product is a market leader → likely generating strong cash flows.
- Low relative market share (right side) → the product is a follower → weaker