📚 Essay Writing Framework and Sample Essay for KS3 WJEC Economics | KS3 WJEC 经济：论文写作框架与范文
Writing a clear and structured essay is an essential skill in KS3 WJEC Economics. Whether you are explaining a concept or evaluating a policy, a strong framework helps you communicate your ideas logically and gain higher marks. This guide breaks down the essay writing process step by step, from understanding the question to writing a full sample essay, all with paired English and Chinese explanations. Use it to build confidence and improve your exam performance.
在 KS3 WJEC 经济学中，写出清晰、结构化的论文是一项基本技能。无论是解释一个概念还是评估一项政策，坚实的框架都能帮你富有逻辑地表达观点，并获得更高分数。本指南逐步拆解论文写作过程，从审题到写出完整范文，全程提供中英双语对照讲解。请用它来建立信心、提升考试表现。
1. Introduction to Essay Writing in Economics | 经济学论文写作简介
In economics, an essay is not just a collection of facts. You are expected to apply concepts, analyse situations, and often make a judgement. A well-organised essay follows a clear structure: introduction, body paragraphs, and a conclusion. Each part has a specific job, and using a reliable framework like PEE (Point, Evidence, Explain) makes your argument much stronger.
在经济学中，论文不只是事实的堆砌。你需要运用概念、分析情况，并且往往要做出判断。一篇组织良好的论文遵循清晰的结构：引言、主体段落和结论。每个部分都有特定的任务，使用像 PEE（论点–论据–解释）这样可靠的框架会使你的论证有力得多。
2. Understanding the Question | 理解题目
Before writing anything, read the question carefully. Identify the command word, such as 'discuss', 'explain', 'evaluate' or 'analyse'. Words like 'discuss' require you to present both sides of an argument and reach a conclusion. 'Explain' means you need to show how or why something happens. Underline the key economic terms and think about what the examiner wants you to do.
在动笔之前，请仔细阅读题目。找出指令词，例如“讨论”“解释”“评估”或“分析”。“讨论”这一词要求你陈述正反双方的观点并得出结论。“解释”则意味着你需要说明某件事是如何或为何发生的。划出关键的经济术语，思考考官希望你怎么做。
3. The PEE Structure (Point–Evidence–Explain) | PEE 结构（论点–论据–解释）
PEE stands for Point, Evidence, Explain. It is the backbone of a good body paragraph. First, state your main point clearly. Then, provide evidence, which could be a real-world example, a piece of data, or a simplified economic scenario. Finally, explain how the evidence supports your point and why it matters in economic terms. This structure keeps your paragraphs focused and analytical.
PEE 代表论点、论据、解释。它是优质主体段落的主干。首先，清晰地陈述你的主要论点。然后，提供论据——可以是一个现实事例、一组数据或一个简化的经济情境。最后，解释这些论据如何支撑你的论点，以及从经济学角度看它为何重要。这种结构能让你的段落重点突出、富有分析性。
4. Writing a Strong Introduction | 写出有力的引言
Your introduction should do three things: briefly introduce the topic, define any key economic terms, and outline how you will answer the question. Keep it concise—usually three or four sentences. A good introduction shows the examiner that you understand the context and have a plan. Avoid starting with overly general statements like 'Since the beginning of time…'; instead, get straight to the issue.
你的引言应做到三件事：简要介绍话题、定义关键经济术语，并概述你将如何回答该问题。保持简洁——通常三到四句话即可。一个好的引言能向考官展示你理解背景且已有计划。避免以“自古以来……”这类过于空泛的句子开头；要直入正题。
5. Building Body Paragraphs | 构建主体段落
Each body paragraph should focus on one main idea. Start with a clear topic sentence (your Point), then bring in Evidence, and finally Explain how it connects to the essay question. For a 'discuss' question, you need at least one paragraph for each side of the argument. Use linking words like 'Furthermore', 'However', or 'On the other hand' to help your essay flow naturally from one idea to the next.
每个主体段落应专注于一个主要观点。先用清晰的主题句（你的论点）开头，然后引入论据，最后解释它如何与论文问题相联系。对于“讨论”类题目，你至少需要一个段落论述正反各一方。使用“此外”“然而”“另一方面”等连接词，能让你的想法自然过渡。
6. Using Economic Terminology | 使用经济学术语
Using accurate economic vocabulary shows that you really understand the subject. For KS3, key terms might include scarcity, opportunity cost, demand, supply, externalities, and public goods. However, simply dropping in complex words is not enough. You must use them correctly and explain what they mean when it is helpful. For example, when you write 'opportunity cost', briefly define it as the next best alternative given up.
使用准确的经济学术语表明你真正理解这门学科。对 KS3 来说，关键术语可能包括稀缺性、机会成本、需求、供给、外部性和公共物品。然而，只是丢进复杂词汇是不够的，你必须正确使用它们，并在有帮助时解释其含义。例如，当你写下“机会成本”时，可以简要将其定义为放弃的次优选择。
7. Incorporating Real-World Examples | 融入现实案例
Real-world examples make your essay come alive and show application. You can refer to a local bus service, a popular streaming subscription, or a news story about a sugar tax. Even simple everyday choices, like buying a snack or saving pocket money, can illustrate opportunity cost. The key is to link the example directly to the economic concept you are explaining, not just mention it as a side note.
现实案例能让你的论文生动起来，并展示应用能力。你可以引用当地的公交服务、流行的流媒体订阅，或关于糖税的新闻报道。即便是像买零食还是存零花钱这样简单的日常选择，也能阐释机会成本。关键在于将例子与你正在解释的经济概念直接联系起来，而不能只是顺带一提。
8. Analysis vs. Description | 分析与描述的区别
Many students lose marks because they only describe what happens, without analysing why or how. Description says: 'The price of chocolate went up.' Analysis says: 'The price of chocolate rose because a poor harvest reduced the supply of cocoa, causing a leftward shift of the supply curve and a higher equilibrium price.' Aim to explain causes, effects, and mechanisms using economic logic. Use phrases like 'This leads to…', 'As a result…', and 'The main reason is…'.
很多学生因只描述发生了什么，却不分析为何或如何发生而失分。描述会说：“巧克力价格涨了。”分析则说：“由于收成不佳减少了可可的供给，导致供给曲线向左移动，均衡价格上升，从而使巧克力价格上涨。”要力求用经济学逻辑去解释原因、结果和机制。使用“这导致……”“结果是……”“主要原因是……”之类的表述。
9. Evaluation and Conclusion | 评估与结论
Evaluation means weighing up arguments and showing which is stronger, or under what conditions a statement holds true. A good conclusion does not just repeat points; it makes a final judgement. You might say, 'Overall, providing free public transport can reduce pollution, but the high cost and possible tax increases make it a difficult policy to sustain.' Always refer back to the question and show that you have thought through different angles.
评估意味着权衡不同论点，并指出哪一个更有说服力，或某种说法在什么条件下成立。一个好的结论不只是重复观点，而是要做出最终判断。你可能会说：“总体而言，提供免费公共交通可以减少污染，但高昂的成本和可能的增税使该政策难以持续。”始终要回扣题目，展示你已从不同角度进行了深入思考。
10. Sample Essay: 'Should the government provide free public transport?' | 范文：“政府是否应该提供免费公共交通？”
Introduction: Traffic congestion and air pollution are major problems in many towns and cities. One proposal to tackle these issues is to make public transport free for everyone. This essay will discuss the economic advantages and disadvantages of this policy and reach a reasoned conclusion.
引言：交通拥堵和空气污染是许多城镇面临的主要问题。应对这些问题的一种提议是让公共交通对所有人免费。本文将讨论这一政策的经济优势与劣势，并得出有理有据的结论。
Arguments in favour: Free public transport can reduce the number of private cars on the road. When the cost of using buses and trains becomes zero, more people are likely to switch from driving. This shift can lower carbon emissions and improve air quality, which is a positive externality. Moreover, lower-income families would benefit because transport is a significant part of their budget, making essential services such as work and school more accessible.
支持论点：免费公共交通能减少路上的私家车数量。当使用公交车和火车的成本降为零时，更多人可能从开车转向乘坐公交。这种转变能减少碳排放、改善空气质量，这就是正外部性。此外，低收入家庭将从中受益，因为交通费用在他们的预算中占比很大，这使工作和上学等基本出行更容易实现。
Arguments against: Funding free public transport is extremely expensive. The government would have to use tax revenue, which might mean higher income tax or cuts in other areas such as education and healthcare. There is an opportunity cost: money spent on subsidising fares cannot be used elsewhere. Also, if services become overcrowded due to increased demand, the quality of travel may fall, leading to dissatisfaction. Some economists argue that a small charge helps manage demand and ensures more efficient use of resources.
反对论点：为免费公共交通提供资金极其昂贵。政府将不得不使用税收收入，这可能意味着提高所得税或削减教育、医疗等其他领域的开支。这里有机会成本：用于补贴车票的钱不能另作他用。此外，如果因需求增加导致服务过度拥挤，出行质量可能下降，引发不满。一些经济学家认为，小额的收费有助于管理需求，确保资源得到更有效的利用。
Conclusion: In my judgement, while free public transport offers clear environmental and social benefits, the financial burden and potential inefficiencies cannot be ignored. A better solution might be a targeted subsidy for students and low-income groups, combined with congestion charges for private vehicles in city centres. This balanced approach could achieve many of the same goals at a lower cost to the taxpayer.
结论：在我看来，虽然免费公共交通具有明显的环境和社会效益，但其财政负担和潜在的低效率也不可忽视。一个更好的方案可能是对学生和低收入群体提供定向补贴，同时对市中心私家车收取拥堵费。这种平衡做法能以较低的对纳税人成本实现许多相同目标。
11. Sample Essay Breakdown | 范文解析
Let us examine how the sample essay uses the PEE structure. The first body paragraph has a clear Point (free public transport reduces car use). The Evidence is logical reasoning about consumer behaviour and lower-income families. The Explanation links to positive externalities and access to services. This paragraph works because every sentence moves the argument forward.
让我们看看这篇范文是如何应用 PEE 结构的。第一个主体段落有清晰的论点（免费公共交通能减少汽车使用）。论据是关于消费者行为和低收入家庭的逻辑推理。解释则联系到正外部性和服务可及性。这个段落之所以有效，是因为每句话都在推进论证。
| Essay Part | English Purpose | 中文作用 |
|---|---|---|
| Introduction | Sets the scene and outlines structure | 铺陈背景，列出结构 |
| Body paragraph 1 | Presents one side with PEE | 以一方的 PEE 展开 |
| Body paragraph 2 | Presents the other side with PEE | 以另一方的 PEE 展开 |
| Conclusion | Makes a final judgement with evaluation | 经由评估做出最终判断 |
Notice how the conclusion does not simply repeat earlier points. It offers a specific, balanced judgement and even suggests an alternative policy. This shows the highest level of thinking—evaluation. The essay also uses economic terms like 'positive externality', 'opportunity cost' and 'subsidy' correctly, which adds authority.
注意结论如何没有简单重复前文的观点。它给出了具体、平衡的判断，甚至提出了替代政策。这展示了最高层次的思维——评估。这篇论文还正确使用了“正外部性”“机会成本”和“补贴”等术语，增加了说服力。
12. Common Mistakes to Avoid | 常见错误与避免方法
One common mistake is writing everything you know about a topic without linking it back to the question. Always check each paragraph: does it help answer the question? Another error is confusing description with analysis. If you simply define terms without applying them, you are not analysing. Also, avoid forgetting to conclude, or writing a conclusion that introduces brand-new arguments. Finally, don't ignore the evaluation requirement when the question asks you to 'discuss' or 'evaluate'. Give a clear final judgement.
一个常见错误是把你对这一话题所知的一切都写下来，却没有回扣题目。请务必检查每个段落：它有助于回答这个问题吗？另一个错误是把描述与分析混为一谈。如果你只是定义术语而不加以运用，那就不是在分析。此外，不要忘记写结论，或者写一个引入全新论点的结论。最后，当题目要求你“讨论”或“评估”时，不要忽视评估要求。给出清晰的最终判断。
Planning your answer for five minutes before you start writing can dramatically reduce these mistakes. Jot down key points, evidence examples, and a rough PEE outline. This small investment of time helps you stay on track and produce a much stronger essay.
动笔前花五分钟规划答案，可以大幅减少这些错误。迅速记下关键点、举例证据以及一个粗略的 PEE 提纲。这笔小的时间投入能帮你保持正轨，写出扎实得多的论文。
Published by TutorHao | Economics Revision Series | aleveler.com
更多咨询请联系16621398022（同微信）
或截图后用「扫一扫 → 相册」选择本图