A Level Business: The marketing mix (Cambridge 9609) – Revision Notes

Condensed notes for section 3.3 The marketing mix (3.3.1 to 3.3.6) of the Cambridge International AS & A Level Business 9609 syllabus for examination in 2026, 2027 and 2028. This is AS Level content that A Level candidates also need. For full explanations and worked examples, read the study guide. Then test yourself with the practice questions. Course links: Cambridge A Level Business hub, checklist, free diagnostics and the wider Marketing revision notes. All businesses and figures here are invented.

The big picture

The mix is Product, Price, Promotion, Place (distribution channels). The skill is to recommend a mix that suits one business in one context. In any answer, name the method, tie it to a detail in the case, then weigh it up.

Ref	Topic	One-line anchor
3.3.1	The 4Ps	The elements must fit together and fit the target customers
3.3.2	Product	Goods v services; tangible v intangible; development; differentiation; USP
3.3.3	Portfolio analysis	Life cycle and extension strategies; Boston Matrix
3.3.4	Pricing	Seven named methods
3.3.5	Promotion	Advertising, sales, direct, digital; packaging; branding
3.3.6	Place	Channels; digital and physical distribution

3.3.2 Product: definitions

Term	Meaning	Quick example
Good	Physical item you can touch and store	A lamp
Service	Activity; not stored	A boiler repair
Tangible attribute	Can be seen or touched	Materials, size, packaging
Intangible attribute	Cannot be touched	Reputation, status, friendliness
Product development	Creating new or improved products	A lighter, quieter model
Differentiation	Making a product stand out from rivals	Design, quality, service, image
USP	The feature rivals lack that customers value	A two-year no-quibble guarantee

Why development matters: tastes and technology change, rivals copy, it defends share and spreads risk. Cost: money, time and the chance of failure.

Differentiation supports a higher price and loyalty, but only if customers notice and value the difference.

3.3.3 Product life cycle and extension strategies

Stages: (development) then introduction, growth, maturity, decline.

Stage	What happens	Typical marketing
Introduction	Low sales, high costs	Awareness; skimming or penetration
Growth	Sales rise quickly; rivals arrive	Widen distribution; build brand
Maturity	Sales flatten	Defend share; differentiate; competitive pricing
Decline	Sales fall	Cut costs, drop it or extend it

Extension strategies: new packaging, product modification, new uses, new markets, extra promotion, price changes, new channels. They succeed only where a real opportunity exists.

Method: read a life cycle table.

1. Work out the percentage change in sales each period.
2. Look for growth slowing (maturity) or turning negative (decline).
3. Link the stage to a sensible response, then check what the case says about costs and competitors.

3.3.3 Boston Matrix

	High market share	Low market share
High growth	Star	Question mark (problem child)
Low growth	Cash cow	Dog

Standard form of relative market share: own share divided by the share of the largest rival. Above 1 means market leader.

Position	Role	Typical decision
Star	Earns, but needs funding to hold share	Invest to keep the lead
Cash cow	Surplus cash	Milk it; fund others
Question mark	Cash drain; uncertain	Invest to turn into a star, or stop
Dog	Low earnings	Drop, harvest, or keep if it helps the range

Uses: shows balance of the portfolio, guides spending, flags products to drop, shows future cash needs. Limits: two measures only, market definition matters, a snapshot, ignores why a market is growing, and the high/low boundary is a choice.

Must-know distinction. The Boston Matrix looks at market share and growth across the portfolio. The life cycle follows one product’s sales over time. A dog may be in decline but need not be. A cash cow is often in maturity but not always.

Worked reminder. A product has 8% of a market where the largest rival has 16%: relative share is 8 / 16 = 0.5. In a market growing 14% a year, it is a question mark. In a market growing 2%, it is a dog.

3.3.4 Pricing methods

Method	Remember it as	Best when	Watch out
Competitive	Price against rivals	Many similar products	Price wars
Penetration	Low start, win share	New entrant; elastic demand	Low early profit; raising price later
Skimming	High start, then fall	Novel product; few rivals	Rivals enter; slower share growth
Price discrimination	Different prices to different groups	Segments can be kept apart	Complaints; leakage
Dynamic	Price moves with demand or stock	Online; perishable capacity	Seen as unfair
Cost-based	Cost plus a margin	Quick; secure return	Ignores demand
Psychological	Looks cheaper, e.g. 19.99	Customers notice price points	Small effect

Method: cost-plus. Price = unit cost x (1 + mark-up). Mark-up is measured against cost, whereas margin is measured against the selling price.

Brindle Wharf Audio pays £62 for a speaker. A 30% mark-up gives £80.60; a 50% mark-up gives £93.00. A 30% mark-up on cost is a margin of 23.1% of the price (18.60 / 80.60).

Price discrimination reminder. A 120-seat hall charges £14 for 80 peak seats and £9 for 40 off-peak seats: revenue £1,480. A single £12 price on all 120 seats gives £1,440. Discrimination wins by £40, only if the seats are filled at each price and the groups cannot swap.

Psychological reminder. £19.99 is only 1p below £20, yet buyers may read it as “under £20”.

Choosing a method: three questions. What is the objective (profit, share, survival, image)? How do customers react to price? What are rivals likely to do?

3.3.5 Promotion methods

Method	Objective	Use	Limit
Advertising	Inform, persuade, remind; build image	Mass reach	Costly; hard to measure
Sales promotion	Short-term sales; trial	Discounts, samples, BOGOF, loyalty points	Cuts margins; trains customers to wait
Direct promotion	Reach named customers	Mail, email, telesales, personal selling	Can annoy; higher cost per contact
Digital	Targeted, measurable contact	Social media, search, email, influencers, apps	Bad reviews spread; ad avoidance

Packaging: protects, attracts, shows brand, informs, signals quality. Branding: recognition, differentiation, loyalty, price support. A brand is costly to build and can be damaged quickly.

Method: cost per new customer. Cost of the campaign divided by customers won. Cobalt Fen Skincare spends £3,200 on digital promotion and wins 160 customers (£20 each), against £2,700 on leaflets for 90 customers (£30 each). Digital is cheaper per customer here. Say what the figure leaves out: quality of customers and repeat sales.

Buy 2 get 1 free. The customer pays for two items and gets three, so each costs two-thirds of the normal price (one-third off).

3.3.6 Place

Channels: direct; via retailer; via wholesaler then retailer.

Channel	Gain	Cost
Direct	Keeps whole price; brand control; data	Producer bears selling and delivery
Retailer	Reach; display; less work	Retailer margin; less control
Wholesaler	Bulk-breaking; many outlets	Extra margin

Digital v physical: physical suits products customers want to see, try or take away now; digital widens reach and works for digital goods, but means delivery, returns and site costs. Many businesses use both.

Retailer margin reminder. A retailer buys at £40 and sells at £65: margin £25, or 38.5% of the selling price.

Quick self-test

1. State two tangible attributes and two intangible attributes of a coffee shop’s drink.
2. Define a unique selling point.
3. A product’s sales (units) are 500, 700, 840, 850 across four years. Calculate the growth in each year and name the likely stage.
4. A product has 9% of a market; the largest rival has 18%. Calculate relative market share.
5. Name the Boston Matrix category for low share in a fast-growing market.
6. Calculate the cost-plus price for a unit cost of £25 and a 40% mark-up.
7. Name the pricing method of charging students less than other adults for the same ticket.
8. Give one advantage of skimming for a novel product.
9. Calculate the cost per new customer: £2,000 spent, 80 customers won.
10. Give one disadvantage of selling through a retailer rather than direct.

Answers

1. Tangible: size of cup, taste or temperature, packaging. Intangible: friendly service, brand reputation, atmosphere (any two of each).
2. A feature of a product that rivals do not offer and that customers value.
3. 40%, 20%, 1.2%. Likely maturity (growth slowing sharply).
4. 9 / 18 = 0.5.
5. Question mark (problem child).
6. £25 x 1.40 = £35.00.
7. Price discrimination.
8. Early buyers pay a high price, so the business recovers development costs quickly.
9. £2,000 / 80 = £25.
10. The retailer takes a margin, so the producer receives less per unit and has less control over how it is sold.

Where marks are usually lost

• Defining a tool but never tying it to the firm in the stem.
• Mixing up mark-up (on cost) and margin (on price).
• Confusing the Boston Matrix with the life cycle.
• Calling every low-priced launch penetration pricing without reasoning about share.
• Describing a promotion method with no judgement of cost against likely sales.
• Forgetting that psychological pricing is about perception, not cost.
• Ignoring the target segment when choosing a channel.
• Giving evaluation as a list of generic pros and cons rather than a conclusion based on the case.

Frequently asked questions

How many pricing methods are in Cambridge 9609 section 3.3.4? Seven: competitive, penetration, skimming, price discrimination, dynamic, cost-based and psychological pricing. Choose a method by asking about the objective, the market and the product.

How do you calculate relative market share for the Boston Matrix? The standard form divides the business’s own market share by the share of its largest rival. A result above 1 means the business leads that market.

What are extension strategies? Ways to lengthen a product’s life before or during decline, such as new packaging, product modification, new uses or new markets.

What is the difference between direct and indirect channels of distribution? Selling direct keeps the whole price, brand control and customer data, but the producer bears selling and delivery costs. Selling through retailers or wholesalers gives wider reach, but each takes a margin and control is reduced.

Official syllabus

Cambridge International, Cambridge International AS & A Level Business 9609 syllabus for examination in 2026, 2027 and 2028, section 3.3 The marketing mix.