📚 Worksheet Answers – Chapter 12: Marketing Mix: Product and Price | 第12章 练习答案：营销组合——产品与价格
This worksheet answer guide covers the key questions for Chapter 12 on product and price decisions in the marketing mix. Use the paired English and Chinese explanations to check understanding of definitions, calculations and evaluation points.
本练习答案指南覆盖第12章营销组合中产品与价格决策的核心问题。使用中英对照解释来检查对定义、计算和评估要点的理解。
1. Define product and explain the difference between goods and services | 定义产品并解释商品与服务的区别
A product is a good or service that satisfies customer needs and wants. Goods are tangible, physical items such as smartphones or packaged food, whereas services are intangible activities such as banking, transport or haircuts. Products can be classified as consumer goods, producer goods and services.
产品是满足顾客需要和欲望的商品或服务。商品是有形的实物，例如智能手机或包装食品；服务是无形的活动，例如银行、运输或理发。产品可分为消费品、生产资料和服务。
2. Explain the meaning of product portfolio and the Boston Matrix | 解释产品组合和波士顿矩阵的含义
A product portfolio is the range of products a business sells. The Boston Matrix groups products by market share and market growth into four categories: stars (high share, high growth), cash cows (high share, low growth), question marks (low share, high growth) and dogs (low share, low growth). This helps managers allocate resources across the portfolio.
产品组合是企业销售的一系列产品。波士顿矩阵根据市场份额和市场增长率将产品分为四类：明星产品（高份额、高增长）、现金牛产品（高份额、低增长）、问号产品（低份额、高增长）和瘦狗产品（低份额、低增长）。这有助于管理者在整个产品组合中分配资源。
3. Outline the stages of the product life cycle | 概述产品生命周期各阶段
The product life cycle has five typical stages: introduction, growth, maturity, saturation and decline. In the introduction stage, sales grow slowly because customers are not yet aware of the product. Growth brings rapidly rising sales and profits. Maturity sees sales peak and slow, saturation means stable or slightly falling sales due to intense competition, and decline happens when new substitutes reduce demand.
产品生命周期通常有五个阶段：引入期、成长期、成熟期、饱和期和衰退期。在引入期，由于顾客尚不了解产品，销售量增长缓慢。成长期销售和利润迅速上升。成熟期销售达到顶点并放缓，饱和期由于竞争激烈销售稳定或略降，衰退期出现在新替代品降低需求之后。
4. Explain why a business might use extension strategies | 解释企业为什么可能使用延长策略
Extension strategies are used to prolong the maturity or saturation stage and delay decline. Common methods include redesigning packaging, launching new versions, finding new customer segments, entering new markets, adding features or repositioning the product. These actions can refresh demand without developing a completely new product, which is often cheaper and less risky.
延长策略用于延长成熟期或饱和期并推迟衰退期。常见方法包括重新设计包装、推出新版本、寻找新的顾客细分市场、进入新市场、增加功能或重新定位产品。这些行动可以在不开发全新产品的情况下重新激发需求，通常成本更低、风险更小。
5. Define price and distinguish between cost-based and market-based pricing | 定义价格并区分成本导向定价与市场导向定价
Price is the amount a customer pays for a product. Cost-based pricing starts with the cost of producing or buying one unit and adds a mark-up or profit margin. Market-based pricing starts with market conditions such as competitor prices, customer perceptions and demand, then sets a price that consumers are willing to pay.
价格是顾客为产品支付的金额。成本导向定价从生产或采购一单位产品的成本出发，再加上加成或利润率。市场导向定价则从竞争对手价格、顾客认知和需求等市场条件出发，制定消费者愿意支付的价格。
6. Calculate price using cost-plus pricing | 用成本加成定价法计算价格
Price = Unit cost + (Mark-up % × Unit cost)
If a business has a unit cost of $20 and applies a 25% mark-up, the selling price is calculated as: Price = $20 + (25% × $20) = $20 + $5 = $25. Cost-plus pricing is simple and ensures a profit margin, but it ignores demand and competitor prices.
如果企业的单位成本为20美元，并采用25%的加成率，则销售价格计算为：价格 = 20美元 + (25% × 20美元) = 20美元 + 5美元 = 25美元。成本加成定价法简单并能保证利润率，但它忽略了需求和竞争对手价格。
7. Explain two benefits and two limitations of penetration pricing | 解释渗透定价的两个优点和两个局限
Penetration pricing sets a low initial price to attract customers quickly and gain market share. Benefits: it can build a large customer base and deter new competitors because profit margins look unattractive. Limitations: a low price may suggest poor quality, and it can be difficult to raise prices later without losing customers.
渗透定价设定较低的初始价格，以快速吸引顾客并获得市场份额。优点：可以建立庞大的顾客基础，并阻止新竞争者进入，因为利润率看起来不具吸引力。局限：低价可能暗示质量差，而且事后很难在不流失顾客的情况下提高价格。
8. Explain two benefits and two limitations of price skimming | 解释撇脂定价的两个优点和两个局限
Price skimming sets a high initial price for a new or innovative product. Benefits: it recovers development costs quickly and allows the firm to target early adopters who are less price-sensitive. Limitations: high prices attract competitors, and sales volume may be too low to achieve economies of scale.
撇脂定价为新产品或创新产品设定较高的初始价格。优点：可以快速收回开发成本，并且让企业针对对价格不太敏感的早期采用者。局限：高价会吸引竞争者，而且销售量可能过低，无法实现规模经济。
9. Explain psychological pricing and give an example | 解释心理定价并举例
Psychological pricing uses customer perceptions rather than pure cost calculations. A common example is setting a price at $9.99 instead of $10.00 because customers perceive $9.99 as significantly cheaper. Other techniques include prestige pricing, where a high price is used to signal quality and exclusivity.
心理定价利用顾客的感知而非纯粹的成本计算。常见例子是将价格定为9.99美元而非10.00美元，因为顾客认为9.99美元便宜得多。其他技巧包括声望定价，即用高价来传递质量和独特性信号。
10. Explain the difference between price-elastic and price-inelastic demand | 解释价格弹性需求与价格无弹性需求的区别
PED = % change in quantity demanded ÷ % change in price
Price-elastic demand means a small price change causes a proportionally larger change in quantity demanded, so PED is greater than 1. Price-inelastic demand means quantity demanded changes by a smaller proportion than price, so PED is less than 1. If demand is price elastic, lowering price can increase total revenue; if it is inelastic, raising price can increase total revenue.
价格弹性需求意味着价格的微小变化会引起需求量更大比例的变化，因此PED大于1。价格无弹性需求意味着需求量的变化比例小于价格变化比例，因此PED小于1。如果需求富有价格弹性，降低价格可以增加总收入；如果缺乏弹性，提高价格可以增加总收入。
11. Analyse how the product life cycle stage influences pricing decisions | 分析产品生命周期阶段如何影响定价决策
In the introduction stage, a business may use price skimming for an innovative product or penetration pricing for a mass-market product. During growth, prices may be maintained or adjusted to maximise revenue as demand rises. At maturity and saturation, competition forces prices down, so cost control becomes important. In decline, prices may be reduced to clear stocks or maintained for loyal niche customers.
在引入期，企业可对创新产品使用撇脂定价，或对大众市场产品使用渗透定价。在成长期，随着需求上升，价格可以维持或调整以最大化收入。在成熟期和饱和期，竞争迫使价格下降，因此成本控制变得重要。在衰退期，可以降价清理库存，也可以为忠诚的小众顾客维持价格。
12. Evaluate the importance of product differentiation in supporting a premium price | 评估产品差异化对支持高价的重要性
Product differentiation allows a business to make its product appear unique through quality, branding, design, features or customer service. Strong differentiation can reduce direct price competition and build brand loyalty, which supports a premium price. However, differentiation increases costs and must be valued by customers. Therefore, it is important only if the perceived benefits exceed the extra cost and if competitors cannot easily imitate the product.
产品差异化使企业能够通过质量、品牌、设计、功能或客户服务让产品显得独特。强大的差异化可以减少直接价格竞争并建立品牌忠诚度，从而支持高价。然而，差异化会增加成本，并且必须被顾客看重。因此，只有当感知利益超过额外成本、且竞争者不易模仿产品时，差异化才重要。
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