📚 Year 11 CIE Economics: Case Study Practice Drill | Year 11 CIE 经济：案例分析实战演练
The CIE IGCSE Economics Paper 2 is a case study-based examination that tests your ability to apply economic concepts to real-world scenarios. This article provides a step-by-step guide to mastering the case study through practical strategies, from reading the material to writing high-scoring evaluation answers.
CIE IGCSE 经济试卷二是基于案例分析的考试，重点考查你将经济概念应用于实际情境的能力。本文将通过实用策略，从阅读材料到撰写高分评估答案，逐步指导你掌握案例分析技巧。
1. Understanding the Case Study Material | 理解案例材料
Before you start writing, take 5 minutes to read the case study carefully. Highlight key terms, statistics, and any economic indicators such as GDP growth, inflation rate, or unemployment. The material will often include a combination of text, tables, graphs, and extracts from news articles. Your first task is to understand the context and the economic problem being described.
开始作答前，请花5分钟仔细阅读案例材料。圈出关键术语、统计数据，以及GDP增长率、通胀率或失业率等经济指标。材料通常包含文字、表格、图表和新闻摘录。你的首要任务是理解背景和所描述的经济问题。
Pay attention to the country or industry mentioned; for example, a developing country facing high inflation. This will help you apply relevant policies later. Also note the time frame given, as short-run and long-run effects may differ.
注意提到的国家或行业；例如，一个面临高通胀的发展中国家。这将有助于你之后运用相关政策。同时注意给出的时间范围，因为短期和长期效果可能不同。
2. Identifying the Economic Problem | 识别经济问题
Identify the core economic issue, such as market failure, government budget deficit, or externalities. CIE often presents a scenario with multiple related issues, but you must pinpoint the main one to structure your answers. Look for clues in the title and opening paragraph.
识别核心经济问题，如市场失灵、政府预算赤字或外部性。CIE常给出包含多个相关问题的情境，但你必须抓住主要问题来组织答案。留意标题和开头段落的线索。
Ask yourself: What does the case study want me to analyse? Look for phrases like 'rising prices', 'lack of investment', or 'pollution'. Link these to the syllabus topics you have studied, such as inflation, supply-side policies, or negative externalities.
问自己：案例材料想让我分析什么？寻找像'物价上涨'、'投资不足'或'污染'这样的表述。将这些与你学过的课程主题联系起来，例如通货膨胀、供给侧政策或负外部性。
3. Reading and Interpreting Data | 阅读和解读数据
Case studies often include numerical data in tables or charts. You must be able to calculate percentage changes, interpret trends, and compare figures. For example, if a table shows exports and imports, calculate the trade balance. Show your working in the answer booklet to secure full marks.
案例材料常包含表格或图表中的数值数据。你必须能够计算百分比变化、解读趋势并进行比较。例如，如果表格显示出口和进口数据，要计算贸易差额。在答题册中展示计算过程以拿到满分。
Percentage Change = (New - Old) / Old × 100%
When a diagram is provided, such as a supply and demand graph, describe what it shows before using it to support your point. Use specific numbers from the graph. For instance, state 'The equilibrium price is £5' rather than just 'the price is shown'.
当提供图表（如供需图）时，先描述它所显示的内容，再用它支撑你的论点。使用图表中的具体数字。例如，要说明'均衡价格为5英镑'，而不是仅仅说'显示了价格'。
4. Drawing and Labelling Diagrams | 绘制并标注图表
Many questions ask you to draw a diagram, such as a production possibility curve (PPC), demand and supply shift, or an externality graph. Always label axes correctly: 'Price' and 'Quantity' for market diagrams. Use a ruler and draw clearly. A rushed, messy diagram loses marks.
许多问题要求你绘制图表，如生产可能性曲线（PPC）、需求与供给变动图或外部性图表。始终正确标注坐标轴：市场图的纵轴为'价格'，横轴为'数量'。使用直尺并清晰绘制。匆忙、凌乱的图表会失分。
Show the initial equilibrium and then the shift. Add arrows to indicate direction of change. If you are illustrating a tax, show the new supply curve and the tax wedge. Label S₁, S₂, and the vertical distance representing the tax per unit. Explain the diagram in your answer.
展示初始均衡位置，然后画出移动。添加箭头以指示变化方向。如果要说明税收的影响，画出新的供给曲线和税收楔子。标出S₁、S₂以及代表每单位税额的垂直距离。在答案中解释该图。
5. Tackling 'Define' and 'Identify' Questions | 攻克定义和识别题
A typical 2-mark question asks you to define a term, such as 'inflation' or 'opportunity cost'. Provide a precise definition and, if possible, an example from the case. For 'identify' questions, simply name the item, e.g., 'Identify one fiscal policy measure mentioned'. Do not write extra explanations; you risk wasting time.
典型的2分题要求定义一个术语，例如'通货膨胀'或'机会成本'。给出精确定义，如果可能，加上案例中的例子。对于'识别'题，只需指出项目，例如'指出材料中提到的一项财政政策措施'。不要额外解释；你有可能浪费时间。
Make sure your definition uses economic terminology. Instead of 'prices going up', write 'a sustained increase in the general price level'. Examiners look for precise language. A quick tip: learn the textbook definitions for the 20 most common terms.
确保你的定义使用经济术语。不要写'价格上涨'，而应写'一般物价水平持续上升'。考官看重精确的措辞。一个小建议：背熟20个最常见术语的课本定义。
6. Crafting 'Explain' Answers | 构建解释性答案
'Explain' questions (usually 4–6 marks) require you to show the chain of reasoning. Use linking words like 'this leads to', 'as a result', 'therefore' xpensive → disposable income falls → consumption decreases → aggregate demand shifts left.
'解释'类问题（通常4–6分）要求你展示推理链条。使用'这导致'、'因此'、'结果是'等连接词。例如，解释利率上升如何减少消费支出：利率上升→借贷成本增加→可支配收入下降→消费减少→总需求左移。
Support your explanation with a diagram if relevant. The explanation should be step-by-step, not just a single statement. Each step earns a mark. Write clearly: 'Firstly... Secondly... Consequently...' This structure makes your logic easy to follow.
如相关，用图表支持你的解释。解释应逐步进行，而非只是单句陈述。每一步得一分。清晰写出：'首先……其次……因此……' 这种结构使你的逻辑易于理解。
7. Analysing Causes and Effects | 分析因果
'Analyse' questions (6– eciation on the current account: cheaper exports → export volume rises; dearer imports → import volume falls; but the Marshall-Lerner condition must hold. Offer both short-run and long-run perspectives.
'分析'题（6–8分）要求更深入地审视原因与后果。你需要将问题分解为若干部分。例如，分析本币贬值对经常账户的影响：出口更便宜→出口量上升；进口更贵→进口量下降；但马歇尔-勒纳条件必须成立。同时提供短期和长期的视角。
Use a diagram to illustrate shifts in demand and supply if the question is about a market. Always refer to the case context: mention the specific product or country. Do not just recite theory; apply it. The more you integrate the case material, the higher your marks.
如果问题与市场有关，用图表说明需求和供给的变动。始终结合案例背景：提到具体的产品或国家。不要只背诵理论；要应用它。你越是将案例材料融入答案，得分就越高。
8. Formulating Evaluative Arguments | 构思评估论点
Evaluation questions (8–10 marks) are where students score the highest marks. You must present both sides of an argument, prioritise, and make a justified conclusion. Structure your answer: state the policy, explain how it works, then discuss limitations, such as time lags, unintended consequences, or data uncertainty. Use context from the case.
评估题（8–10分）是学生获得高分的关键。你必须呈现论点的两面，权衡轻重，并得出有依据的结论。答案结构如下：陈述政策，解释其运作方式，然后讨论其局限性，如时间滞后、意外后果或数据不确定性。要结合案例提供的情境。
| Stage | Description | 描述 |
| 1 | State your position | 陈述立场 |
| 2 | Support with theory | 用理论支持 |
| 3 | Consider opposite view | 考虑反面观点 |
| 4 | Weigh up with context | 结合背景权衡 |
| 5 | Conclusion | 结论 |
Always link your evaluation back to the specific country or firm in the case. Do not write generic essays. For example, if the case is about a small island economy, mention how its size limits policy options. A context-rich evaluation stands out.
始终将评估与案例中的具体国家或企业联系起来。不要写泛泛而谈的文章。例如，如果案例是关于一个小岛经济体，要说明其规模如何限制了政策选择。富有情境细节的评估会脱颖而出。
9. Applying Context and Extracting Quotes | 应用背景与摘引
To achieve top marks, you must use evidence directly from the text. Quote a statistic or a statement: e.g., 'According to the case, inflation rose from 2% to 8%...' This shows the examiner you understand the material. It also anchors your analysis in reality.
要拿到最高分，你必须直接使用文中的证据。引用一项统计数据或一句话，例如：'根据案例，通胀率从2%升至8%……' 这向考官展示你理解了材料。同时也使你的分析立足实际。
When discussing a policy, mention a specific detail from the case, such as 'the government's subsidy to farmers (Extract B)' to anchor your analysis. Avoid writing vague phrases like 'the policy might have some drawbacks'. Instead, use the case: 'As pointed out in Extract C, the subsidy cost the government $20 million, which could worsen the budget deficit.'
在讨论某项政策时，提及案例中的具体细节，如'政府对农民的补贴（摘录B）'，使你的分析有据可依。避免写模糊的句子如'该政策可能有一些缺点'。相反，使用案例信息
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