Year 10 Eduqas Economics: Case Study Practical Drill | Year 10 Eduqas 经济：案例分析实战演练

📚 Year 10 Eduqas Economics: Case Study Practical Drill | Year 10 Eduqas 经济：案例分析实战演练

In the Eduqas GCSE Economics examination, the 9-mark case study question is often the difference between a grade 6 and a grade 8. This question type tests not only your knowledge of economic theory but also your ability to apply concepts to unfamiliar contexts, analyse cause-and-effect relationships, and formulate reasoned judgements. Many Year 10 students lose marks not because they lack understanding, but because they fail to structure their answers effectively or neglect to extract the key data embedded in the stimulus material.

在 Eduqas GCSE 经济考试中，9 分案例分析题往往是 6 分与 8 分之间的分水岭。这类题型不仅考查你对经济理论的掌握，更考验你将概念应用于陌生情境、分析因果关系以及形成理性判断的能力。许多 Year 10 学生丢分并非因为理解不到位，而是因为答案结构不佳，或者忽略了深埋在背景材料中的关键数据。

1. Understanding the 9-Mark Question Structure | 理解 9 分题的评分结构

A typical Eduqas 9-mark case study question is split into three assessment objectives: Knowledge and Understanding (AO1) worth 2 marks, Application (AO2) worth 3 marks, and Analysis and Evaluation (AO3) worth 4 marks. This means you cannot simply write everything you know about a topic; you must deliberately demonstrate each skill in sequence. The examiner is actively looking for precise definitions (AO1), direct references to the case study text and data (AO2), and logical chains of reasoning that build towards a supported conclusion (AO3).

典型的 Eduqas 9 分案例分析题分为三个评估目标：知识与理解（AO1）占 2 分，应用（AO2）占 3 分，分析与评价（AO3）占 4 分。这意味着你不能只是把某个主题的所有知识堆砌上去，而必须有意识地依次展示各项技能。考官会主动寻找准确的定义（AO1）、对案例文本和数据的直接引用（AO2），以及通向有据结论的逻辑推理链（AO3）。

2. The KAAE Paragraph Framework | KAAE 段落框架

To consistently score full marks, adopt the KAAE framework: Knowledge, Application, Analysis, and Evaluation. Start with a concise definition of the key economic term in the question (Knowledge). Then extract a specific statistic, quote, or trend from the case study and link it directly to your definition (Application). Next, develop a clear 'if... then...' causal chain explaining the economic impact (Analysis). Finally, weigh up the significance of your argument by considering alternative factors, time lags, or magnitude (Evaluation).

若要稳定地取得满分，可以采用 KAAE 框架：知识、应用、分析与评价。首先，对题目中的关键经济术语给出简洁定义（知识）。接着，从案例中提取具体的统计数据、引文或趋势，并与你的定义直接挂钩（应用）。然后，展开一条清晰的“如果……那么……”因果链，解释其经济影响（分析）。最后，通过考量替代因素、时滞或影响程度，来权衡你的论点的重要性（评价）。

3. Pre-Reading the Case Study with Purpose | 带着目的预读案例材料

underline names of government policies or taxes, and box any reference to competitors, substitutes, or complementary goods. These annotations become your ammunition for Application marks. For example, if the text mentions 'the price of raw coffee beans rose by 15%', immediately write a margin note: 'Increase in cost of production → supply shifts left'.

不要被动地阅读案例材料。一看到背景资料，就拿起荧光笔主动批注。圈出每个数字，在政府政策或税收的名称下划线，并用方框标出任何涉及竞争对手、替代品或互补品的表述。这些批注就是你争取应用分的弹药。例如，如果文中提到“咖啡豆原料价格上涨 15%”，立刻在旁边写下批注：“生产成本上升 → 供给左移”。

4. Case Study 1: The Coffee Shop Dilemma | 案例一：咖啡店的困境

Read the following stimulus: 'Bean & Brew is an independent coffee shop in Cardiff city centre. Over the last six months, the wholesale price of Arabica coffee beans has increased from £6.40/kg to £9.20/kg due to poor harvests in Brazil. Simultaneously, a large multinational chain, CaféCo, has opened a branch directly opposite Bean & Brew, offering loyalty cards and prices 20% lower. Bean & Brew's monthly revenue has fallen from £18,000 to £12,500.'

阅读以下材料：“Bean & Brew 是位于加的夫市中心的一家独立咖啡店。近六个月来，由于巴西收成不佳，阿拉比卡咖啡豆的批发价从每公斤 6.40 英镑涨至 9.20 英镑。与此同时，大型跨国连锁品牌 CaféCo 在 Bean & Brew 正对面开设了分店，推出积分卡且价格低 20%。Bean & Brew 的月收入已从 18,000 英镑降至 12,500 英镑。”

5. Deconstructing the Coffee Shop Question | 拆解咖啡店题目

Question: 'Explain the likely economic impact of rising costs and increased competition on Bean & Brew's profitability. Evaluate the extent to which Bean & Brew should lower its prices in response.' For K (Knowledge), define 'profitability' as the difference between total revenue and total costs. For A (Application), cite the coffee price rise of 43.75% from £6.40 to £9.20, the competitor's 20% lower prices, and the 30.6% revenue drop from £18,000 to £12,500. For A (Analysis), explain that higher costs squeeze the profit margin per cup while the rival's lower prices may force Bean & Brew to reduce demand, not just revenue.

题目：“请解释成本上升和竞争加剧可能对 Bean & Brew 的盈利能力产生的经济影响。评价 Bean & Brew 在多大程度上应该以降价来应对。” 在 K（知识）环节，将“盈利能力”定义为总收入与总成本之间的差额。在 A（应用）环节，引用咖啡价格从 6.40 英镑涨至 9.20 英镑（涨幅 43.75%）、竞争对手低 20% 的价格，以及收入从 18,000 英镑降至 12,500 英镑（降幅 30.6%）。在 A（分析）环节，解释较高的成本挤压了每杯咖啡的利润率，而对手的低价可能迫使 Bean & Brew 的需求下降，而不仅仅是收入减少。

6. Building the Evaluation for the Coffee Shop | 构建咖啡店案例的评价段

For Evaluation (AO3), do not simply say 'it depends'. Instead, argue that lowering prices may trigger a price war that Bean & Brew, with higher unit costs, cannot win. Suggest that non-price competition — such as enhancing customer experience through live music or premium single-origin brews that CaféCo does not offer — could be more effective in retaining loyal customers with inelastic demand. Conclude that the extent of a price cut strategy is limited because the fundamental problem is rising costs, not just falling revenue, therefore cost control and product differentiation should take priority.

在评价（AO3）环节，不要简单地说“要看情况”。相反，要论证降价可能引发一场 Bean & Brew 因单位成本较高而无法取胜的价格战。建议非价格竞争——例如通过现场音乐或 CaféCo 不提供的精品单品咖啡来提升顾客体验——可能更有效地留住需求缺乏弹性的忠实客户。结论是，降价策略的适用范围有限，因为根本问题在于成本上升，而不仅仅是收入下降，因此控制成本和产品差异化应放在首位。

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7. Case Study 2: The Electric Scooter Regulation | 案例二：电动滑板车监管

Read the following stimulus: 'The UK government is considering making helmets mandatory for electric scooter riders. The proposed regulation would require all riders to purchase certified helmets, which cost between £30 and £60. Currently, 1.2 million private e-scooters are in use across the UK. A consumer survey indicates that 22% of current riders would stop using their e-scooters if helmets became compulsory, citing the inconvenience and loss of spontaneity.'

阅读以下材料：“英国政府正在考虑强制电动滑板车骑行者佩戴头盔。这项拟议法规将要求所有骑行者购买价格在 30 至 60 英镑之间的认证头盔。目前，全英有 120 万辆私人电动滑板车在使用中。一项消费者调查显示，如果头盔成为强制要求，22% 的现有骑行者将停止使用滑板车，理由是不便以及失去即兴出行的自由。”

8. Applying Demand and Supply to the Scooter Market | 将需求与供给应用于滑板车市场

This case study tests your understanding of non-price determinants of demand and market equilibrium. The mandatory helmet acts as a complementary good cost: for the 22% of marginal users, the additional £30-£60 expense plus the perceived hassle reduces the willingness to pay for scooter usage itself. This causes a leftward shift of the demand curve for e-scooters, leading to a lower equilibrium quantity. Note that the demand curve for helmets, by contrast, shifts right as legislation forces consumers into the market.

这个案例考查你对需求的非价格决定因素和市场均衡的理解。强制佩戴头盔相当于增加了互补品成本：对于那 22% 的边缘用户来说，额外的 30 至 60 英镑开支加上感知到的不便，降低了对滑板车使用本身的支付意愿。这将导致电动滑板车的需求曲线左移，从而降低均衡数量。需要注意的是，相比之下，由于立法强制消费者进入市场，头盔的需求曲线则会右移。

9. Constructing the 9-Mark Response on the Scooter Regulation | 构建关于滑板车法规的 9 分答案

For Knowledge, define 'complementary goods' ce or regulatory burden of one reduces demand for the other. For Application, quote the 22% , the 1.2 million user base (implying approximately 264,000 potential lost users), and the £30-£ turers face excess stock → potential price cuts to clear inventory → some domestic firms may exit the market entirely.

在知识方面，将“互补品”定义为需共同消费的商品，其中一种商品的价格或监管负担上升会减少对另一种商品的需求。在应用方面，引用 22% 的数据、120 万的用户基数（意味着约 26.4 万的潜在流失用户），以及 30 至 60 英镑的价格区间。在分析方面，梳理因果链：头盔强制令提高了滑板车骑行的实际成本 → 滑板车需求收缩 → 制造商面临库存过剩 → 可能降价清仓 → 一些国内企业可能完全退出市场。

10. Crafting a Sophisticated Evaluation Paragraph | 打造一段有深度的评价段落

A top-tier evaluation acknowledges that the 22% figure comes from a stated-preference survey, not revealed behaviour, meaning actual dropout rates could be lower once social norms adjust. Furthermore, the regulation may reduce accident-related NHS costs, generating a positive externality in consumption that offsets the private welfare loss to departing riders. Ultimately, while the scooter market will contract in the short run, the long-run impact depends on whether the safety regulation increases public acceptance and infrastructure investment, potentially shifting the demand curve rightward again through changing tastes and preferences.

顶级评价应当认识到，22% 的数据来自陈述偏好调查，而非实际行为，这意味着一旦社会规范调整，实际的退出率可能会更低。此外，该法规可能降低与事故相关的 NHS 成本，产生消费的正外部性，从而抵消退出骑行者个人的福利损失。归根结底，虽然滑板车市场在短期内会收缩，但长期影响取决于安全法规是否提升公众接受度并带动基础设施投资，从而有可能通过品味与偏好的改变，再次将需求曲线向右推移。

11. Common Pitfalls and Time Management | 常见陷阱与时间管理

Three errors repeatedly appear in Year 10 case study answers. First, students provide generic textbook definitions without linking them to the specific context, losing all Application marks. Second, they rush to evaluation before establishing a solid analytical chain, resulting in unsupported judgements. Third, they misallocate time: you should spend roughly 2 minutes reading and annotating, 3 minutes planning your response, and 10 minutes writing. Never start writing without a brief plan that sketches your KAAE sequence.

Year 10 的案例题答案中反复出现三种错误。其一，学生给出教科书式的泛泛定义，却未与具体情境挂钩，导致应用分全部丢失。其二，在建立扎实的分析链之前就匆忙进入评价环节，结果是判断缺乏支撑。其三，时间分配不当：你应花大约 2 分钟阅读并批注材料，3 分钟规划答案，10 分钟写作。切勿在没有简短提纲、未勾勒出 KAAE 顺序的情况下动笔。

12. Practice Prompts for Independent Drill | 自主演练的练习题目

Now apply the KAAE method to these two fresh scenarios. Scenario A: 'A government introduces a £2 per unit specific tax on sugary drinks. Pre-tax, the market sold 500 million units annually at £1.50 each. Post-tax, the price rises to £2.80 and quantity demanded falls to 320 million units. Explain the impact on consumer surplus and evaluate the effectiveness of the tax in reducing sugar consumption.' Scenario B: 'A local bakery faces a 25% increase in the minimum wage for its 8 employees. The owner is considering replacing two staff with automated mixing machines that cost £12,000 each. Discuss the economic factors the bakery should consider before making this investment.'

现在将 KAAE 方法应用到以下两个新情景中。情景 A：“政府对含糖饮料征收每单位 2 英镑的从量税。税前，市场年销量为 5 亿单位，单价 1.50 英镑。税后，价格升至 2.80 英镑，需求量降至 3.2 亿单位。请解释对消费者剩余的影响，并评价该税在减少糖分摄入方面的有效性。” 情景 B：“一家本地面包店面临其 8 名员工的最低工资上调 25% 的情况。店主正在考虑用两台各价值 12,000 英镑的自动搅拌机替代两名员工。讨论面包店在进行这项投资前应考虑的经济因素。”

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Published by TutorHao | Economics Revision Series | aleveler.com

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