A Level经济考试的4个重要得分点，值得一看！
A Level经济考试既是考核学科知识，
也是考察学生的考试能力，
CA今天给大家介绍的就是exam-smart tips，
帮助大家考试拿高分！
纵观整个经济大纲，经常会要求学生评估事件对某一事物的影响。
在解决类似问题的时候，可以参考这些分析范围：
写经济essay的时候，时间总是紧张的。那么知道内容比例的划分就尤为重要，解释content占多少，简洁的explanation占多少。
有一个70/30的原则。举两个例子：
Theory of CA包含很有价值的经济分析，学生应该解释它的假想条件，比较机会成本比率，得出贸易可以获得什么。
Material SOL要求具体的经济分析，包括实际GCP与名义上的GDP数字、收入分配、按PPP计算的GDP。
非常有用，但也经常被忽视的一点。意思就是看一下自己的topic sentences，是否用最直接的方式回答了问题。有时候，我们有些段落可能是用来介绍背景信息但却没有直接回答问题。
举个例子
Explain why the price of fuel tends to be more volatile than other secondary products. (10m)
Topic Sentence (Version 1): The PED of fuel is affected by a number of factors, including its degree of necessity. Supply of fuel is also affected by a number of different factors.
Topic Sentence (Version 2): Demand for fuel is price-inelastic due to its nature as a necessity. Supply may also fluctuate given unstable conditions in theMiddle East, a major oil producing region. An unstable supply curve coupled with an inelastic demand curve would lead to wide and frequent fluctuations in price.
学习内容很多的概念时（比如说弹性概念、规模经济、进入壁垒），可以参照一个DDEE的原则保证答案的完整性。
- Definitions
- Diagrams
- Explanation
- Examples
这样学习概念更方便记忆，因为之前大家的知识是分段的。
比方说遇到“Differentiate between internal and external economies of scale (10m)”这样的问题，
根据DDEE原则就能立马想出essay结构：
Definition: Internal EOS are reaped due to growth of the firm while external EOS are independent of firm size and are attributed to growth of the industry.
Diagram: Internal EOS is seen diagrammatically as a movement downwards along the long run average cost curve (LRAC) while external EOS manifests as a downward shift of the entire LRAC.
Explanation / Examples: Sources of internal EOS include technical, marketing, financial or managerial economies. On the other hand, external EOS takes the form of economies of information, concentration or disintegration.
嗯，就是这样了，考前值得一看！
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