Micro Ch3 Demand and Supply

當導出某物品的市場需求曲線時，下列哪項是假設不變的？Which of the following is assumed to be constant when the market demand curve of a good is derived?

(1)    消費者的收入the income of the consumers

(2)    該物品的價格the price of the good

(3)    相關物品的價格prices of related goods

(4)    消費者的偏好preference of the consumers

• (1) and (3)

• (2) and (3)

• (1), (2) and (4)

• (1), (3) and (4)

當導出某物品的市場供應曲線時，下列哪項/些會假設為不變？When the market supply curve of a good is derived, which of the following is/are assumed to be constant?

(1) 該物品的市場價格the market price of the good

(2) 該物品的生產要素價格the prices of factors of production of the good

(3) 預期該物品在將來的價格the expected future price of the good

• (1) only

• (2) only

• (3) only

• (2) and (3) only

 航空服務及飛機師

Aviation service and pilots

• 代替品

  Substitutes

• 輔助品

  Complements

• 引申需求

  Derived demand

• 聯合供應

  Joint supply

 香港廸士尼樂園和香港海洋公園

Hong Kong Disneyland and Ocean Park Hong Kong

• 代替品

  Substitutes

• 輔助品

  Complements

• 引申需求

  Derived demand

• 聯合供應

  Joint supply

 雞 翼 雞 腿

chicken wings chicken legs

• 代替品

  Substitutes

• 輔助品

  Complements

• 引申需求

  Derived demand

• 聯合供應

  Joint supply

商業樓宇……工業樓宇

commercial buildings …… industrial buildings

• 代替品

  Substitutes

• 輔助品

  Complements

• 競爭性供應

  Competitive supply

• 聯合供應

  Joint supply

的士服務……優步(Uber)

 taxi services …… Uber

• 代替品

  Substitutes

• 輔助品

  Complements

• 競爭性供應

  Competitive supply

• 聯合供應

  Joint supply

汽車……汽油

cars …… gasoline

• 代替品

  Substitutes

• 輔助品

  Complements

• 競爭性供應

  Competitive supply

• 聯合供應

  Joint supply

報紙 … … 印刷用紙

newspapers ...... printing paper

• 代替品

  Substitutes

• 輔助品

  Complements

• 生產成本

  cost of production

• 聯合供應

  Joint supply

咖啡豆 … … 咖啡

coffee beans ...... coffee

• 代替品

  Substitutes

• 輔助品

  Complements

• 生產成本

  cost of production

• 聯合供應

  Joint supply