Worksheet Answers – Chapter 15 | 第15章练习答案

📚 Worksheet Answers – Chapter 15 | 第15章练习答案

This worksheet answers guide covers Chapter 15, Marketing Strategy, from the Cambridge International AS & A Level Business course. The chapter focuses on the product life cycle, the Boston Matrix, product portfolio analysis, extension strategies, and the role of the marketing mix in supporting strategic decisions. Use these answers to check your understanding, identify command words, and practise applying concepts to unfamiliar business contexts.

本练习答案指南对应剑桥国际AS与A Level商务课程第15章“营销战略”。本章重点包括产品生命周期、波士顿矩阵、产品组合分析、延长策略以及营销组合在支持战略决策中的作用。请利用这些答案检查自己的理解、识别指令词，并练习将概念应用到不熟悉的商业情境中。

1. Question 1: Key Term Matching | 第1题：关键术语匹配

The correct matches are: market growth is the percentage increase in total sales value or volume in a market over a period of time; market share is a firm’s sales revenue expressed as a percentage of the total market sales; product portfolio is the complete range of products owned by a business; extension strategy is any action designed to prolong the life of a mature or declining product.

正确答案为：市场增长率是指一定时期内市场总销售额或销售量的百分比增长；市场份额是指企业销售收入占市场总销售额的百分比；产品组合是指企业拥有的全部产品系列；延长策略是指为延长成熟或衰退产品的寿命而设计的任何行动。

In marking, allow one mark for each correct pairing. Do not award marks for a correct term with a partially correct definition; the definition must include the key idea of percentage change for growth, share of total sales for market share, range of products for portfolio, and prolonging life for extension strategy.

评分时，每组正确配对得1分。如果术语正确但定义部分正确则不得分；定义必须包含关键概念：增长率强调百分比变化，市场份额强调占总销售额的比例，产品组合强调产品系列，延长策略强调延长寿命。

2. Question 2: Product Life Cycle Stages | 第2题：产品生命周期各阶段

The five commonly examined stages are development, introduction, growth, maturity and decline. In the development stage, the product is being researched and designed, so there is negative cash flow and zero sales. In the introduction stage, sales grow slowly and promotional costs are high, often causing low or negative profit.

考试中常见的五个阶段是开发期、导入期、成长期、成熟期和衰退期。在开发期，产品正在研究和设计，因此现金流为负且销售额为零。在导入期，销售增长缓慢，促销成本较高，通常导致利润较低或为负。

During growth, sales rise quickly, unit costs may fall due to economies of scale, and competitors enter the market. In maturity, sales peak and stabilise; the market becomes saturated, so firms rely on product differentiation. Decline occurs when sales fall due to changing consumer tastes, new technology, or stronger substitutes.

在成长期，销售快速增长，由于规模经济单位成本可能下降，竞争者进入市场。在成熟期，销售达到峰值并趋于稳定；市场饱和，企业依赖产品差异化。衰退期出现在销售因消费者偏好改变、新技术或更强大的替代品而下降时。

A diagram answer should label the axes clearly: the vertical axis is sales revenue and the horizontal axis is time. The curve must show development below the horizontal axis for spending, then a rise through introduction, a steep growth phase, a levelling off in maturity, and a downward slope in decline.

作图答案应清晰标注坐标轴：纵轴为销售收入，横轴为时间。曲线必须显示开发期位于横轴下方的支出，然后经过导入期的上升、成长期的陡峭上升、成熟期的趋于水平，以及衰退期的向下倾斜。

3. Question 3: Identifying the Stage for a Smartphone Brand | 第3题：判断智能手机品牌所处阶段

If a smartphone brand has very high sales growth, rising market share but low profit because of heavy advertising and product improvement costs, it is most likely in the growth stage. The key evidence is the rapid increase in sales and the need to invest heavily in marketing to capture market share before competition intensifies.

如果某智能手机品牌销售增长非常高、市场份额上升，但由于大量广告和产品改进成本导致利润较低，它很可能处于成长期。关键证据是销售的快速增长，以及在竞争加剧前需要大量投资营销以获取市场份额。

Students should avoid choosing maturity because maturity is characterised by stable sales and higher profit margins. Avoid introduction because introduction has slow sales growth and very limited market acceptance. A common error is to focus only on low profit; low profit appears in both introduction and growth, so sales growth data are decisive.

学生应避免选择成熟期，因为成熟期的特征是销售稳定和利润率较高。避免选择导入期，因为导入期销售增长缓慢、市场接受度非常有限。常见的错误是只关注低利润；低利润在导入期和成长期都会出现，因此销售增长数据才是决定性因素。

4. Question 4: Extension Strategies for a Chocolate Bar | 第4题：巧克力棒的延长策略

Suitable extension strategies for a chocolate bar in maturity include product development, such as launching a new flavour or a limited-edition pack size; market development, such as exporting to new countries; and repositioning through new packaging or a health-focused message. Sales promotion, such as price discounts, competitions, and loyalty offers, can also extend the maturity stage.

适合处于成熟期巧克力棒的延长策略包括产品开发，例如推出新口味或限量版包装规格；市场开发，例如出口到新的国家；以及通过新包装或健康信息重新定位。销售促进，如价格折扣、竞赛和忠诚优惠，也可以延长成熟期阶段。

Evaluation matters here: product development is often expensive but can attract existing customers to buy again; market development opens new revenue but requires research and adaptation. A simple price discount may boost short-term sales but risks damaging brand image and reducing profit margins, so it is often weaker than genuine product improvement.

这里的评估很重要：产品开发通常成本较高，但能吸引现有顾客再次购买；市场开发开辟新的收入来源，但需要调研和适应性调整。简单的价格折扣可能会在短期内提升销售，但存在损害品牌形象和降低利润率的风险，因此通常比真正的产品改进更弱。

When answering an 8-mark question, students should identify two strategies and then evaluate each by stating a benefit and a drawback. Unsupported strategies such as ‘advertise more’ gain limited marks unless the type of advertising and its target audience are explained.

在回答8分题时，学生应识别两种策略，然后通过说明各自的优点和缺点进行评估。未具体展开的策略，如“多做广告”，除非解释广告类型和目标受众，否则得分有限。

5. Question 5: Boston Matrix Categories | 第5题：波士顿矩阵类别

The Boston Matrix has four categories based on market share and market growth. A star has high market share in a high-growth market; a cash cow has high market share in a low-growth market; a question mark or problem child has low market share in a high-growth market; and a dog has low market share in a low-growth market.

波士顿矩阵根据市场份额和市场增长率分为四个类别。明星产品在高增长市场中拥有高市场份额；现金牛产品在低增长市场中拥有高市场份额；问题儿童或问号产品在高增长市场中拥有低市场份额；瘦狗产品在低增长市场中拥有低市场份额。

Category	Market share	Market growth	Strategic priority
Star	High	High	Invest to hold share
Cash cow	High	Low	Milk for cash
Question mark	Low	High	Invest or divest
Dog	Low	Low	Divest or phase out

Students should not confuse high market growth with high market share. Market growth is an external factor measured by the total market expansion, while market share is an internal measure of competitive strength. A product can be a cash cow even if the market is shrinking slightly, provided relative market share remains high.

学生不应混淆高市场增长率和高市场份额。市场增长率是由市场总扩张衡量的外部因素，而市场份额是衡量竞争实力的内部指标。只要相对市场份额仍然很高，即使市场略有萎缩，产品仍可以是现金牛。

6. Question 6: Cash Flow and Investment Implications | 第6题：现金流与投资影响

Stars typically require heavy investment because high growth attracts competitors, so they may not generate positive cash flow. Cash cows produce strong positive cash flow because low growth reduces the need for marketing expenditure and capacity expansion. The generated cash is often used to fund stars and selected question marks.

明星产品通常需要大量投资，因为高增长会吸引竞争者，因此它们可能不会产生正现金流。现金牛产品产生强劲的正现金流，因为低增长减少了对营销支出和产能扩张的需求。产生的现金通常用于资助明星产品和选定的问题儿童产品。

Question marks are cash-absorbing because the business must invest heavily to increase market share in a growing market. If investment fails, they can become dogs. Dogs should normally be divested or allowed to decline, but some dogs may be kept if they support the sale of other products or provide a strategic foothold in a market.

问题儿童产品是吸收现金的，因为企业必须大量投资以在增长市场中提高市场份额。如果投资失败，它们可能变成瘦狗产品。瘦狗产品通常应被剥离或任其衰退，但有些瘦狗产品如果支持其他产品的销售或提供市场战略立足点，也可能被保留。

A common exam error is stating that stars are automatically profitable. Although stars may generate high revenue, their investment needs often mean profit is low or negative. Cash flow and profit must be analysed separately.

一个常见的考试错误是认为明星产品自动就能盈利。虽然明星产品可能产生高收入，但它们的投资需求通常意味着利润较低或为负。现金流和利润必须分开分析。

7. Question 7: Product Portfolio of a Sports Goods Firm | 第7题：体育用品公司的产品组合分析

Consider a sports goods firm with four products: a home-fitness app growing rapidly but still not profitable; a bestselling running shoe in a stable market; a new smartwatch with low share in a fast-growing wearables market; and an old tennis racket losing sales. These fit the categories of star, cash cow, question mark and dog respectively.

假设一家体育用品公司有四种产品：一款增长迅速但尚未盈利的家庭健身应用；一款在稳定市场中畅销的跑鞋；一款在快速增长的穿戴设备市场中份额较低的新智能手表；以及一款销售下滑的旧网球拍。它们分别对应明星、现金牛、问题儿童和瘦狗类别。

The firm should use the cash generated by the running shoe to fund the home-fitness app and decide whether the smartwatch can realistically gain share. If the smartwatch cannot be differentiated, the firm should divest before losses accumulate. The tennis racket should be phased out unless it supports brand heritage among older customers.

该公司应使用跑鞋产生的现金资助家庭健身应用，并决定智能手表是否能够实际获得市场份额。如果无法实现差异化，公司应在亏损累积之前剥离该业务。旧网球拍应逐渐淘汰，除非它能支持品牌在年长顾客中的传承价值。

Stronger answers also consider external factors such as competitor actions, the pace of technological change, and whether the firm has sufficient skilled staff to develop digital products. Portfolio analysis is a planning tool, not a mechanical rule.

更强的答案还会考虑外部因素，如竞争对手的行动、技术变革的速度，以及公司是否有足够的熟练员工来开发数字产品。产品组合分析是一种规划工具，而不是机械的规则。

8. Question 8: Application Case – Coffee Shop Chain | 第8题：案例分析——咖啡连锁店

A coffee shop chain finds that its traditional espresso drinks are cash cows, while its new plant-based food range is a question mark. The chain should use the stable cash flow from espresso products to test plant-based options in selected stores, measure repeat purchase rates, and adapt recipes before a larger launch.

某咖啡连锁店发现，其传统浓缩咖啡饮品是现金牛产品，而新的植物基食品系列是问题儿童产品。该连锁店应利用浓缩咖啡产品产生的稳定现金流，在选定的门店测试植物基产品，衡量重复购买率，并在更大规模推出前调整配方。

If the plant-based range gains high share in a high-growth health food market, it can become a star. If sales remain low after testing, the chain should phase it out rather than continuing to fund losses. This demonstrates the link between Boston Matrix categories and strategic decision-making.

如果植物基系列在高增长的健康食品市场中获得高份额，它可以成为明星产品。如果测试后销售仍然低迷，连锁店应逐步淘汰该产品，而不是继续资助亏损。这展示了波士顿矩阵类别与战略决策之间的联系。

Students should use the case data in their answers. For example, if the case says plant-based sales are growing at 25% per year but the chain holds only 4% market share, that supports the question mark classification. Referring directly to data raises application marks.

学生应在答案中使用案例数据。例如，如果案例说明植物基产品销售额每年增长25%，但该连锁店仅占4%的市场份额，这支持将其归类为问题儿童产品。直接引用数据可以提高应用分数。

9. Question 9: Evaluation – Extension vs New Product Development | 第9题：评估——延长策略与新产品开发

Extension strategies are less risky than new product development because the product already has market awareness, distribution channels, and a customer base. However, extensions can lead to brand fatigue if customers see changes as superficial, and they may divert resources from more innovative projects.

延长策略比新产品开发风险更低，因为产品已具备市场认知度、分销渠道和客户基础。然而，如果顾客认为这些变化流于表面，延长策略可能导致品牌疲劳，并且可能将资源从更具创新性的项目中转移出去。

New product development can create higher growth and defend the business against technological change, but it carries high failure rates and requires substantial investment in research and design. Many new products fail commercially even after successful technical development.

新产品开发可以创造更高的增长，并保护企业免受技术变革的冲击，但它具有较高的失败率，并且需要在研究和设计方面进行大量投资。即使技术开发成功，许多新产品在商业上也会失败。

A balanced conclusion should state that the choice depends on the firm’s objectives, competitive environment, and resource availability. A cash-rich business in a mature market may do both: use extension strategies to maximise current returns while investing in selected new products for future growth.

平衡的结论应该指出，选择取决于企业的目标、竞争环境和资源可用性。成熟市场中现金充裕的企业可以两者兼顾：利用延长策略最大化当前回报，同时投资选定的新产品以获得未来增长。

10. Question 10: Marketing Mix Links to Strategy | 第10题：营销组合与战略的关联

Marketing strategy is implemented through the marketing mix: product, price, place and promotion. In the growth stage of the product life cycle, the product may be improved with new features, price may remain stable or fall slightly as competitors enter, distribution widens, and promotion shifts from awareness-building to differentiation.

营销战略通过营销组合实施：产品、价格、渠道和促销。在生命周期的成长期，产品可能通过新功能改进，价格可能随着竞争者进入而保持稳定或略有下降，分销渠道拓宽，促销重点从建立知名度转向差异化。

In maturity, the product often has many variants, pricing may become competitive, distribution is intensive, and promotion focuses on brand loyalty and reminders. In decline, firms may reduce promotional spending, narrow distribution, and use price cuts to clear stock before withdrawal.

在成熟期，产品通常有多种版本，定价可能具有竞争性，分销密集，促销侧重于品牌忠诚和提醒。在衰退期，企业可能减少促销支出、缩小分销范围，并在退出前利用降价清理库存。

Students should link each mix element to the chosen strategy rather than listing the 4Ps generically. For example, a premium price supports differentiation in maturity, while extensive distribution supports market penetration in growth.

学生应将每个组合要素与所选战略联系起来，而不是泛泛地列出4P。例如，高价支持成熟期的差异化，而广泛分销支持成长期的市场渗透。

11. Marking Notes and Common Errors | 第11题：评分说明与常见错误

Examiners reward answers that define terms accurately, apply concepts to the case, and include evaluation or judgement. Common errors include describing the product life cycle as a guaranteed pattern, confusing cash flow with profit, labelling any high-sales product as a star without checking market growth, and recommending extension strategies without considering cost or customer response.

考官奖励准确界定术语、将概念应用于案例并包含评估或判断的答案。常见错误包括将产品生命周期描述为必然模式、混淆现金流与利润、不检查市场增长率就将任何高销售产品贴上明星标签，以及不考虑成本或顾客反应就推荐延长策略。

Another common weakness is a one-sided answer. If a question asks ‘Evaluate whether’, students must present both sides and reach a justified conclusion. Simply stating advantages without limitations limits the answer to Level 2, typically 4-6 marks out of 12.

另一个常见的不足是单方面作答。如果题目要求“评估是否”，学生必须呈现双方观点并得出有理由的结论。只陈述优点而不说明局限性，通常只能达到Level 2，大约12分中的4-6分。

Time management is also important. For a 10-mark case question, spend about 15 minutes: 2 minutes reading, 5 minutes planning, and 8 minutes writing. Use the case evidence in every analytical point.

时间管理也很重要。对于一道10分的案例分析题，大约花费15分钟：2分钟阅读，5分钟规划，8分钟书写。在每个分析要点中都要使用案例证据。

12. Exam-Style Command Words and Grade Boundaries | 第12题：考试指令词与等级边界

Command words in Chapter 15 questions commonly include ‘define’, ‘explain’, ‘analyse’, ‘recommend’ and ‘evaluate’. Define requires a precise meaning; explain requires a cause-and-effect chain; analyse requires examining benefits and drawbacks or components; recommend requires a justified choice; and evaluate requires a weighing up with a final judgement.

第15章题目中常见的指令词包括“定义”“解释”“分析”“建议”和“评估”。定义要求精确的含义；解释要求因果链条；分析要求考察优缺点或组成部分；建议要求有理由的选择；评估要求权衡并得出最终判断。

Typical grade boundaries vary, but for AS Level Business, a strong Level 3 answer usually needs analysis supported by context and some evaluation. A Level 2 answer shows correct knowledge but limited application. Practise with past papers and compare your answers to the mark scheme to understand what moves a response up a level.

典型的等级边界各不相同，但在AS Level商务中，较强的Level 3答案通常需要结合情境的分析和一定的评估。Level 2答案显示正确的知识但应用有限。通过历年真题练习，并将答案与评分方案对照，理解什么能使答案提升一个等级。

For revision, create summary cards for each Boston Matrix category linking share, growth, cash flow and strategic action. Draw and label the product life cycle from memory, then add extension strategy arrows to show how maturity can be prolonged.

复习时，为波士顿矩阵的每个类别制作摘要卡，链接份额、增长、现金流和战略行动。凭记忆画出并标注产品生命周期，然后添加延长策略箭头，展示如何延长成熟期。

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Worksheet Answers – Chapter 15 | 第15章 练习答案