📚 Year 10 Eduqas Economics: Summer Bridging & Preparation Course | Year 10 Eduqas 经济：暑期预习与衔接课程
Welcome to the Year 10 Eduqas Economics summer bridging course! This resource is designed to help you make a confident start to your GCSE Economics studies. You will be introduced to the core concepts, essential terminology, and the way economists think about the world. By working through each section, you will build a strong foundation in both microeconomics and macroeconomics, learn how markets operate, and understand the role of government in the economy. Let’s begin your journey into the fascinating subject of Economics.
欢迎来到 Year 10 Eduqas 经济暑期衔接课程！本资源旨在帮助你自信地开启 GCSE 经济的学习之旅。你将接触核心概念、基本术语以及经济学家的思维方式。通过逐节学习，你将在微观经济学和宏观经济学两方面打下坚实基础，了解市场如何运作，并理解政府在经济中的角色。让我们一起踏上探索经济学的精彩旅程。
1. What is Economics? | 什么是经济学？
Economics is a social science that studies how people, businesses, and governments make choices when resources are limited. It helps us understand everything from everyday decisions to global trade patterns.
经济学是一门社会科学，研究个人、企业和政府在资源有限时如何做出选择。它帮助我们理解从日常决策到全球贸易模式的各种现象。
At its heart, economics is about scarcity and choice. Because we cannot have everything we want, we must decide how to allocate scarce resources among competing uses. These choices have costs and benefits that economists analyse.
经济学的核心是稀缺性与选择。因为我们无法拥有想要的一切，所以必须决定如何将稀缺资源配置到相互竞争的用途中。这些选择带来的成本和收益正是经济学家分析的对象。
The subject is traditionally split into microeconomics, which looks at individual markets and decision-makers, and macroeconomics, which examines the economy as a whole, including topics like inflation, unemployment, and economic growth.
传统上，该学科分为微观经济学和宏观经济学。微观经济学研究个体市场和决策者，宏观经济学则考察整体经济，包括通货膨胀、失业和经济增长等议题。
2. The Basic Economic Problem: Scarcity | 基本经济问题：稀缺性
The fundamental economic problem is that resources are scarce but human wants are unlimited. This tension forces every society to answer three key questions: What to produce? How to produce? For whom to produce?
基本经济问题是资源稀缺而人类欲望无限。这种矛盾迫使每个社会回答三个关键问题：生产什么？如何生产？为谁生产？
Scarcity means that not all needs and wants can be satisfied. Even essential goods like food, water, and shelter are not freely available in unlimited quantities. This is why we must make choices and trade-offs.
稀缺性意味着并非所有需要和欲望都能得到满足。即使是食物、水和住所等必需品，也无法无限量免费获得。因此我们必须做出选择和权衡。
Economists distinguish between a need, which is something essential for survival, and a want, which is something we desire but can live without. However, scarcity applies to both, because even basic resources have an opportunity cost.
经济学家区分了“需要”和“想要”：需要是生存所必需的，想要则是我们渴望但并非必不可少的。然而，稀缺性对两者都适用，因为即使基本资源也存在机会成本。
3. Opportunity Cost | 机会成本
Opportunity cost is a central concept in economics. It is defined as the value of the next best alternative that is foregone when a choice is made. Every decision involves an opportunity cost, not just monetary spending.
机会成本是经济学的核心概念，指的是做出某个选择时所放弃的次优选择的价值。每一项决定都涉及机会成本，而不仅仅是金钱支出。
For example, if you spend an hour studying economics instead of playing video games, the opportunity cost is the enjoyment and relaxation you would have gained from gaming. Economists use this idea to evaluate the true cost of choices.
例如，如果你花一小时学习经济而不是玩电子游戏，机会成本就是你从游戏中获得的乐趣和放松。经济学家用这一理念评估选择的真实成本。
Understanding opportunity cost helps individuals, businesses, and governments make more rational decisions. It highlights that even when no money changes hands, resources such as time and effort are still being used up.
理解机会成本有助于个人、企业和政府做出更理性的决策。它表明，即使没有发生金钱交易，时间和精力等资源仍然在被消耗。
4. Factors of Production | 生产要素
Resources used to produce goods and services are called factors of production. There are four main categories: land, labour, capital, and enterprise. Each factor earns a corresponding reward.
用于生产商品和服务的资源被称为生产要素。主要有四类：土地、劳动、资本和企业家才能。每种要素获得相应的报酬。
Land includes all natural resources such as oil, water, minerals, and the space used for farming or building. The reward for land is rent. Labour refers to the human effort, both physical and mental, and its reward is wages or salaries.
土地包括所有自然资源，如石油、水、矿产以及用于耕作或建筑的空间。土地的报酬是地租。劳动指人的体力和脑力付出，其报酬是工资或薪水。
Capital consists of man-made goods used to produce other goods, like machinery, tools, and factories. Interest is the reward for capital. Finally, enterprise is the willingness to take risks and combine the other factors; its reward is profit.
资本包括用于生产其他商品的人造物品，如机器、工具和工厂。资本的报酬是利息。最后，企业家才能是承担风险并组合其他要素的意愿，其报酬是利润。
The quality and quantity of these factors determine a country’s productive potential. Investment in education (labour) and new technology (capital) can shift the production possibility frontier outward.
这些要素的质量和数量决定了一个国家的生产潜力。对教育（劳动）和新技术（资本）的投资可以使生产可能性边界向外移动。
5. Economic Systems | 经济体制
Different societies have developed different ways of answering the three basic economic questions. The main types of economic systems are market, mixed, and planned economies, each with distinct characteristics.
不同社会发展出了回答三个基本经济问题的不同方式。经济体制的主要类型包括市场经济、混合经济和计划经济，各有显著特征。
In a pure market economy, decisions are made entirely by the price mechanism. Consumers and producers interact freely, and resources are allocated by supply and demand. The USA is often cited as a largely market-oriented economy.
在纯粹的市场经济中，决策完全由价格机制决定。消费者和生产者自由互动，资源由供求关系配置。美国常被认为是一个高度市场导向的经济体。
A planned or command economy, on the other hand, relies on central government planning. The state owns many resources and decides what to produce. Examples include North Korea and, historically, the Soviet Union.
反之，计划经济或指令经济依赖中央政府计划。国家拥有大量资源并决定生产什么。朝鲜和历史上的苏联都是例子。
Most real-world economies are mixed economies, combining market forces with government intervention. The UK and Eduqas specification countries use a mixed system where the government provides public goods and regulates markets.
大多数现实世界的经济体是混合经济，结合了市场力量和政府干预。英国和Eduqas考纲覆盖的国家均采用混合体制，政府提供公共产品并监管市场。
6. Introduction to Markets: Demand | 市场入门：需求
In a market, buyers and sellers exchange goods and services. Demand refers to the quantity of a product that consumers are willing and able to buy at various prices over a given period.
在市场中，买方和卖方交换商品和服务。需求是指在一定时期内，消费者在不同价格水平下愿意且能够购买的产品数量。
The law of demand states that, all other things being equal, as the price of a good rises, the quantity demanded falls, and vice versa. This inverse relationship creates a downward-sloping demand curve.
需求定律指出，在其他条件不变的情况下，商品价格上升，需求量下降；反之亦然。这种反向关系形成了一条向下倾斜的需求曲线。
Demand can shift due to changes in income, tastes, prices of substitutes or complements, advertising, and population. A shift to the right means more is demanded at every price; a shift to the left means less.
需求会因收入、偏好、替代品或互补品价格、广告和人口等因素变化而移动。向右移动表示每个价格水平上需求量增加；向左移动表示减少。
It’s important to distinguish between a movement along the demand curve, caused only by a change in price, and a shift of the whole curve, caused by changes in other conditions of demand.
必须区分沿着需求曲线的移动（仅由价格变化引起）和整条需求曲线的平移（由其他需求条件变化引起）。
7. Introduction to Markets: Supply | 市场入门：供给
Supply shows the quantity of a good that producers are willing and able to offer for sale at different prices. According to the law of supply, higher prices generally lead to a higher quantity supplied.
供给表示生产者在不同价格下愿意且能够出售的商品数量。根据供给定律，价格越高，供给量通常越大。
The supply curve slopes upwards because higher prices provide an incentive for firms to produce more, other things unchanged. It reflects the profit motive that drives producer behaviour.
供给曲线向上倾斜，因为在其他条件不变的情况下，更高的价格激励企业生产更多。这反映了驱动生产者行为的利润动机。
Shifts in supply can be caused by changes in production costs, technology, taxes, subsidies, and the number of sellers. A fall in production costs, for example, shifts the supply curve to the right.
供给的移动可能由生产成本变化、技术、税收、补贴和销售者数量等因素引起。例如，生产成本下降会使供给曲线向右移动。
Just as with demand, a movement along the supply curve occurs only when the price of the good itself changes. Any other influence will cause the entire curve to shift.
与需求一样，只有当商品自身价格变动时，才产生沿着供给曲线的移动。其他任何因素都会导致整条曲线的平移。
8. Price Determination and Market Equilibrium | 价格决定与市场均衡
The equilibrium price is the price at which the quantity demanded equals the quantity supplied. At this point, the market clears and there is no tendency for change, other things being equal.
均衡价格是需求量等于供给量时的价格。在此点，市场出清，其他条件不变时没有变化趋势。
If the market price is set above equilibrium, a surplus occurs because supply exceeds demand. To sell excess stock, producers lower the price until equilibrium is restored. If price is below equilibrium, a shortage emerges, pushing prices up.
若市场价格高于均衡价格，会出现过剩，因为供给大于需求。为卖掉多余库存，生产者降价，直至恢复均衡。如果价格低于均衡，则出现短缺，推动价格上涨。
The price mechanism acts as an invisible hand, signalling to producers and consumers where resources are needed. Rising prices indicate scarcity and encourage more supply, while falling prices suggest abundance.
价格机制就像一只看不见的手，向生产者和消费者传达资源需求的信号。价格上涨表示稀缺，鼓励增加供给；价格下跌则暗示充裕。
In Eduqas GCSE Economics, you will learn to use demand and supply diagrams to illustrate market changes. These diagrams help explain real-world events, from the impact of a harvest failure on crop prices to the effect of a new tax on sugary drinks.
在Eduqas GCSE经济中，你将学习使用需求与供给图来说明市场变化。这些图表有助于解释现实世界事件，如歉收对作物价格的影响或新糖税的效果。
9. Elasticity Basics | 弹性基础
Elasticity measures the responsiveness of one variable to changes in another. Price elasticity of demand (PED) shows how much the quantity demanded responds to a change in price. The formula is:
弹性衡量一个变量对另一个变量变化的反应程度。需求价格弹性（PED）显示需求量对价格变化的反应程度。其公式为：
PED = (% Change in Quantity Demanded) / (% Change in Price)
If PED is greater than 1, demand is elastic, meaning consumers are quite sensitive to price changes. If PED is less than 1, demand is inelastic. Essential goods, such as petrol or medicines, often have inelastic demand.
如果PED大于1，需求富有弹性，意味着消费者对价格变化相当敏感。如果PED小于1，需求缺乏弹性。汽油或药品等必需品通常需求缺乏弹性。
Another important measure is price elasticity of supply (PES), which reflects how easily producers can increase output when prices rise. Factors such as time period and availability of spare capacity influence PES.
另一个重要指标是供给价格弹性（PES），它反映价格上涨时生产者增加产出的难易程度。时间周期和闲置产能的可用性等因素影响PES。
10. Market Failure and Government Intervention | 市场失灵与政府干预
Markets do not always work perfectly. Market failure occurs when the price mechanism leads to an inefficient allocation of resources. Common types include externalities, public goods, and information gaps.
市场并非总有效运作。当价格机制导致资源低效配置时，就产生市场失灵。常见类型包括外部性、公共产品和信息不对称。
An externality is a spillover effect on third parties not involved in the transaction. Negative externalities, like pollution from a factory, impose costs on society, while positive externalities, such as the benefits of education, provide wider gains.
外部性是针对未参与交易的第三方产生的溢出效应。负外部性，如工厂污染，给社会带来成本；正外部性，如教育收益，带来更广泛的利益。
Public goods, such as street lighting and flood defences, are non-excludable and non-rival, meaning free markets typically under-provide them. Governments often step in to supply these directly or subsidise their provision.
公共产品，如路灯和防洪设施，具有非排他性和非竞争性，意味着自由市场通常供给不足。政府常直接提供或补贴这类产品。
To correct market failures, governments can use taxation, subsidies, regulation, and direct provision. For example, a tax on sugar helps reduce the negative externality of obesity-related health problems.
为纠正市场失灵，政府可以使用税收、补贴、监管和直接提供等手段。例如，对糖征税有助于减少肥胖相关健康问题的负外部性。
11. Macroeconomic Objectives and Indicators | 宏观经济目标与指标
Macroeconomics looks at the big picture. Governments typically have four main objectives: stable economic growth, low and stable inflation, low unemployment, and a satisfactory balance of payments.
宏观经济学着眼于整体。政府通常有四大目标：稳定的经济增长、低而稳定的通货膨胀、低失业率以及满意的国际收支。
Economic growth is measured by the percentage change in real Gross Domestic Product (GDP). A growing economy creates jobs and raises living standards, but too rapid growth can cause inflation and environmental damage.
经济增长用实际国内生产总值（GDP）的百分比变化衡量。经济增长创造就业并提高生活水平，但增长过快可能导致通货膨胀和环境破坏。
Inflation is a sustained rise in the general price level and is measured by the Consumer Price Index (CPI). High inflation erodes purchasing power, while deflation can discourage spending.
通货膨胀是普遍价格水平的持续上涨，通过消费者价格指数（CPI）衡量。高通胀侵蚀购买力，而通缩可能抑制消费。
Unemployment refers to those actively seeking work but unable to find a job. It wastes human resources and can lead to social problems. Policies to reduce unemployment include reducing taxes and investing in training programmes.
失业指积极寻找工作但找不到工作的人。它浪费人力资源并可能导致社会问题。降低失业的政策包括减税和投资培训项目。
12. How to Study Economics Effectively | 如何有效学习经济
Doing well in GCSE Economics requires more than memorising definitions. You need to apply concepts to real-world contexts, interpret data, and think critically. Start by keeping an economics diary: note news stories that link to what you are learning.
在GCSE经济中取得好成绩不仅需要记忆定义。你需要将概念应用于现实世界情境、解读数据并进行批判性思考。从记经济日记开始：记下与所学内容相关的新闻报道。
Master the key diagrams, especially demand and supply graphs. Practice drawing them from memory and explaining what shifts them. Use the Eduqas specification as a checklist and regularly test yourself with past-paper questions.
掌握关键图表，尤其是需求与供给图。练习凭记忆画出这些图并解释移动原因。将Eduqas考纲用作检查清单，定期用往年真题自我测试。
Build a strong economics vocabulary. Terms like opportunity cost, elasticity, and fiscal policy must become second nature. Create flashcards and discuss concepts with friends or family to deepen your understanding.
建立扎实的经济学词汇。像机会成本、弹性和财政政策等术语必须成为你的第二天性。制作抽认卡，并与朋友或家人讨论概念，以加深理解。
Finally, practice evaluation skills. In many questions, you will need to weigh up arguments and make a justified conclusion. Always ask yourself: ‘It depends on…’ and consider both long-run and short-run effects.
最后，练习评估能力。在许多问题中，你需要权衡论点并得出有依据的结论。永远问自己：‘取决于……’，并考虑长期和短期效应。
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