縱觀整個經濟大綱，經常會要求學生評估事件對某一事物的影響。

在解決這樣的問題的時候，可以參考這些分析范圍：

寫經濟essay的時候，時間總是緊張的。那么知道內容比例的劃分就尤為重要，解釋content占多少，簡潔的explanation占多少

Theory of CA包含很有價值的經濟分析，學生應該解釋它的假想條件，比較機會成本比率，得出貿易可以獲得什么。

Material SOL要求具體的經濟分析，包括實際GCP與名義上的GDP數字、收入分配、按PPP計算的GDP。

非常有用，但也經常被忽視的一點。意思就是看一下自己的topic sentences，是否用最直接的方式回答了問題。有時候，我們有些段落可能是用來介紹背景信息但卻沒有直接回答問題。

舉個例子

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.

Definitions

Diagrams

Explanation

Examples

這樣學習概念更方便記憶，因為之前大家的知識是分段的。

比方說遇到“Differentiate between internal and external economies of scale (10m)”這樣的問題，

根據DDEE原則就能立馬想出essay結構：

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，就是這樣了，考前值得一看！