AS经济概念分享 这些概念可是英文版的锻炼你的英文能力

在Alevel经济中有很多的概念需要同学们去记住，本期我们以第一单元为例，来给大家分享一些AS经济概念，有需要记忆的同学赶紧看过来哦。

Scarcity

A situation that arises because people have unlimited wants in the face of limited resources People always have to make choices and prioritize the consumption of commodities. 

Opportunity Costs

The opportunity cost of a choice is the value of the next best alternative forgone.

Ceteris Paribus

It is a key assumption made in economics. It means all other things are held constant or are equal.Positive Statements and Normative Statements

Positive Statements

They are objective statements based on factual evidence. They can be tested and can consequently be rejected or accepted.

Normative Statements

They are subjective statements based on value judgments. It cannot be tested by factual evidence.

Factors of Production and their Rewards

Economic Resources are the factors of production. 

land

Natural resources such as oil, coal, wheat, water.It can also be physical space for fixed capital.

Demand

Demand is the quantity of a good or service that a consumer is willing and able to buy at the market price in a given time period.

Demerit Good: A demerit good has costs for the consumer who buys it but the consumer may be unaware of its full costs. A demerit good is over-consumed due to asymmetric information.

Direct Tax

A direct tax is a lump-sum tax on income.

Division of Labour

Refers to labour specialization in the production process, where workers take on specific roles.

Enterprise

A factor of production. Risk-taking by an individual or group who combine the other factors of production in search of profit.

Excess Demand

Excess demand occurs when demand is greater than supply.

Excess Supply

Excess supply occurs when supply is greater than demand.

External Benefit

An external benefit is an unpaid for benefit enjoyed by 3rd parties not directly involved in a market transaction.

External Cost

An external cost is an uncompensated cost imposed on 3rd parties not directly involved in a market transaction.

Factors of Production

The factors of production are the inputs used in the production process to produce output. They include land, labour, capital and enterprise.

如今英国G5院校经济专业申请要求越来越高，基本上都要求达到A*AA，尤其是牛津和LSE经济要求达到A或以上，同学们一定要重视自己的Alevel经济成绩呀，如果你想抓住考试重点，争取考到A*的话，那就赶紧点击【预约试听】参加橡沐的Alevel课程班吧！

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Alevel微观经济供给与需求概念讲解 来看看这些知识点你都理解吗？

20个ALevel微观经济学复习重点 这些热门问题没了解A*可能就要远离你了

查看。