Scarce Resources and the Basic Economic Problem | 稀缺资源与基本经济问题

📚 Scarce Resources and the Basic Economic Problem | 稀缺资源与基本经济问题

Scarcity is the fundamental concept that underpins all of economics. It refers to the condition in which the resources available to a society are insufficient to satisfy all the wants that people have. Because human wants are effectively unlimited while productive resources are limited, every economy must make choices. These choices involve trade-offs, and every trade-off carries an opportunity cost. Cambridge A-Level Economics uses scarcity as the starting point for understanding markets, government policy and resource allocation.

稀缺性是支撑整个经济学的基础概念。它指的是一个社会可用的资源不足以满足人们所有欲望的状况。由于人类欲望实际上是无限的，而生产资源是有限的，每个经济体都必须做出选择。这些选择涉及权衡取舍，而每一次权衡取舍都包含机会成本。剑桥 A-Level 经济学把稀缺性作为理解市场、政府政策和资源配置的起点。

1. What Does Scarcity Mean? | 什么是稀缺性？

Scarcity means that the resources used to produce goods and services are finite, whereas human wants are infinite. It is not the same as poverty. Even a wealthy country experiences scarcity because new wants, such as better healthcare or cleaner technologies, continually emerge.

稀缺性意味着用于生产商品和服务的资源是有限的，而人类的欲望是无限的。它不同于贫穷。即使是富裕国家也会经历稀缺，因为新的欲望，如更好的医疗保健或更清洁的技术，会不断出现。

In economics, a resource is described as scarce if the amount available is less than the amount people would want at a zero price. This means scarcity is a relative concept: a good can be physically abundant but still be scarce if demand exceeds supply at no cost.

在经济学中，如果一种资源的可用数量少于人们在零价格下想要的数量，这种资源就被描述为稀缺。这意味着稀缺是一个相对概念：一种商品可能物理上很丰富，但如果在零成本下需求超过供给，它仍然是稀缺的。

Scarcity forces choice. Since we cannot satisfy every want, individuals, firms and governments must decide which wants to satisfy and which to leave unsatisfied. Once a choice is made, resources are diverted away from alternative uses.

稀缺性迫使人们做出选择。由于我们无法满足每一个欲望，个人、企业和政府必须决定满足哪些欲望、放弃哪些欲望。一旦做出选择，资源就会从其他用途转移出来。

2. The Basic Economic Problem | 基本经济问题

The basic economic problem states that resources are scarce but wants are unlimited. This problem is permanent and universal: it exists in every country and at every point in time, although its severity may vary.

基本经济问题是指资源稀缺而欲望无限。这个问题是长期存在且普遍适用的：它存在于每个国家和每个时期，尽管其严重程度可能不同。

From the basic economic problem flow the three key questions every economy must answer: what goods and services to produce, how to produce them, and for whom to produce them. Answering these questions requires a method of resource allocation.

基本经济问题引出了每个经济体必须回答的三个关键问题：生产什么商品和服务、如何生产它们，以及为谁生产它们。回答这些问题需要一种资源配置方法。

The basic economic problem also explains why economics is described as a social science concerned with choice under conditions of scarcity. Without scarcity, there would be no need to economise or to study alternative uses of resources.

基本经济问题也解释了为什么经济学被描述为一门研究稀缺条件下选择的社会科学。如果没有稀缺性，就不需要节约，也不需要研究资源的替代用途。

3. Economic Goods and Free Goods | 经济物品与免费物品

An economic good is one that is scarce in relation to the demand for it. Because there is not enough of it to satisfy all wants at zero price, an economic good commands a positive market price. Examples include food, housing, education and clean water in many regions.

经济物品是指相对于其需求而言稀缺的物品。由于在零价格下无法满足所有欲望，经济物品在市场上具有正价格。例子包括食品、住房、教育以及许多地区的清洁水。

A free good is available in abundance at zero price. There is no opportunity cost in consuming it because the quantity available exceeds the quantity people want. Clean air in an unpolluted rural area is a common textbook example.

免费物品在零价格下供应充沛。消费它没有机会成本，因为可用数量超过人们想要的数量。未受污染的农村地区的清洁空气是常见的教科书例子。

The distinction between economic goods and free goods is not fixed. If demand rises or if the good becomes less abundant, a free good can become an economic good. Clean water can be free in a rainy area but scarce in a drought-prone region.

经济物品和免费物品之间的区别并不是固定的。如果需求上升，或者物品变得不那么丰富，免费物品可能变成经济物品。清洁水在多雨地区可能是免费的，但在易干旱地区可能是稀缺的。

4. Factors of Production | 生产要素

Economists classify scarce resources used in production into four broad categories known as the factors of production: land, labour, capital and enterprise. Each factor earns a different reward.

经济学家把生产中使用的稀缺资源分为四大类，称为生产要素：土地、劳动、资本和企业家才能。每种要素获得不同的报酬。

Land refers to all natural resources, including minerals, forests, water and the physical space used in production. Labour is the human input, both physical and mental. Capital consists of man-made goods used to produce other goods, such as machinery and buildings. Enterprise organises the other factors and bears business risk.

土地指所有自然资源，包括矿产、森林、水和用于生产的物理空间。劳动是人的投入，包括体力和脑力。资本是用于生产其他商品的人造物品，如机器和建筑物。企业家才能组织其他要素并承担商业风险。

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