研究所、轉學考(插大)-經濟學

6. 假設消費某一種商品到邊際效用為 0 時，下列何項陳述是正確的： (A) 此商品的總效用為最大 (B) 存在價值矛盾的現象 (C) 商品的總效用在遞減階段 (D) 以上皆是。

7. 完全競爭廠商所面對的需求線是： (A) 斜率為正 (B) 斜率為負 (C) 斜率無窮大 (D) 斜率為零。

8. 形成聯合壟斷組織如卡特爾 (cartel) 無法長期維持的主因為： (A) 消費者抵制 (B) 組織內之廠商有互相欺騙的誘因存在 (C) 其他廠商無法加入 (D) 利潤反而降低。

9. 如果市價高於均衡價格時，市場會出現下列何種現象： (A) 超額需求 (B) 稀少 (C) 短缺 (D) 過剩。

10. 下列何者不屬於外部性的補救辦法： (A) 邊際成本定價法 (B) 補貼 (C) 課稅 (D) 賦予財產權。

11. 下列哪一項對「可競爭性市場」(Contestable market) 描述最合適： (A) 廠商無進入與退出之障礙，但有龐大沉沒成本 (B) 廠商有進入與退出之障礙，且有龐大沉沒成本 (

12. 假設某一 Cobb-Douglas 生產函數為，L 為勞力，K 為資金，下列描述何者錯誤： (A) 處在規模報酬遞增階段 (B) 同時增加 L 與 K 1%，會增加比 1% 還多的 Q

13. 拗折的需求曲線 (kinked demand curve) 可用來說明： (A) 完全競爭市場中的價格波動 (B) 寡占市場中的價格波動 (C) 寡占市場中的價格穩定 (D) 以上皆非

14. 在自然獨佔市場中，當價格訂在等於邊際成本時： (A) 價格小於平均成本 (B) 價格等於平均成本 (C) 價格大於平均成本 (D) 無法判斷。

15. 在古諾雙佔模式 (Cournot duopoly model) 中，任一廠商在決定收益最大化之價格-產出水準時，會假設對方： (A) 價格不變 (B) 產出不變 (C) 技術不變 (D

2. Which of the following is NOT a characteristic of a perfectly competitive industry? (A)There are

3. If the price elasticity of demand for Pepsi is 1.5, then an increase in the selling price will:

4. Which of the following statements is correct for a monopolist?(i) The firm maximizes profits by e

5. As the quantity produced increase (A)Average fixed cost decreases (B)Fixed cost increases (C)V

6. Beef is a normal good. You observe that both the equilibrium price and quantity of beef have fall

7. Other things the same, if the central bank decreases the rate at which it increases the money sup

9. Which of the following statements is correct? (A)If marginal cost is rising, then average total

10. For Product X, the income elasticity of demand is -2.45. Which of the following is therefore tru

11. Refer to Table.Suppose the market for this product is served by two firms that have formed a car

12. Refer to Table. If the marginal cost of production in this market is $4, what is the socially ef

13. Which is the following individuals is the best example of a structurally unemployed worker? (A)

14. In January, the price of dark chocolate candy bars was $2.00, and Willy's Chocolate Factory

15.Scenario: Doreen's Dairy produces and sells Swiss cheese. Last year, it produced 7,000 pound

16. The profit-maximization problem for a monopolist differs from that of a competitive firm in whic

8. Which of the following is NOT true of firms in monopolistic competition? (A)They practice produc

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