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國立臺中教育大學 100 學年度研究所碩士班招生考試
經濟學試題
適用學系：事業經營碩士學位學程
一、選擇題（20題，單選，每題3%，共60%）
1、 The invisible hand’s ability to direct economic activity can be hindered by: (A) increased competition in the market.
(B) business internationalization.
(C) government actions that distort prices. (D) a dramatic change in consumer tastes.
2、Suppose a decision maker has a utility function U = Y and is faced with a lottery where there is a 30% chance of earning $30 and a 70% chance of earning $80. For which of the following guaranteed payoffs would the decision maker not choose the lottery over the guaranteed payoff?
(A) $40 (B) $50 (C) $60 (D) $70
3、If a consumer purchases only two goods(A and B), and the demand for A is elastic, then a rise in the price of A
(A) will cause total spending on good B to fall. (B) will cause total spending on good B to rise.
(C) will cause total spending on good B to remain unchanged. (D) will have an indeterminate effect on total spending on good B.
4、Firms in long-run equilibrium in perfectly competitive industry will produce at the low points of their average total cost curves because
(A) firms in the industry desire to operate efficiently.
(B) free entry implies that long-run profits will be zero no matter how much each firm produces.
(C) firms seek maximum profits and to do so they must choose to produce where average costs are minimized.
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5、Suppose the production function for good M is given by M=4×C+3×L where C and L are capital and labor inputs. Consider three statements about this function which is true： Ⅰ. The function exhibits constant returns to scale.
Ⅱ. The function exhibits diminishing marginal productivities to all inputs. Ⅲ. The function has a constant rate of technical substitution.
(A) All of the above. (B) None of them. (C)Ⅰ,Ⅱbut not Ⅲ. (D)Ⅰ and Ⅲ but not Ⅱ.
6、To deal with moral hazard the insurance company should (A) fully indemnify its policy holders.
(B) require applicants to take a physical examination. (C) require policy holders to pay a deductible.
(D) periodically observe the policy holder’s driving habits.
7、In a contestable market, firms produce where
(A) price equals marginal cost and long-run average cost. (B) price equals marginal cost above long-run average cost.
(C) marginal cost equals marginal revenue below long-run average cost. (D) marginal cost equals marginal revenue and long-run average cost.
8、The free-rider problem is the inability of private provision to achieve the efficient level of production of
(A) public goods. (B) rival goods. (C) private goods. (D) semi-private goods.
9、The time inconsistency problem will likely result in which of the following after the economy reaches equilibrium？
(A) actual inflation will be less than expected inflation. (B) actual inflation will exceed expected inflation. (C) inflation will be relatively low.
(D) inflation will be higher than it otherwise would be in the absence of the time inconsistency problem.
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10、It is usually assumed that a perfectly competitive firm’s supply curve is given by its marginal cost curve. In order for this to be true, which of the following additional assumptions are necessary?
Ⅰ. That the firm seek to maximize profits.
Ⅱ. That the marginal cost curve be positively sloped. Ⅲ. That price exceeds average variable cost.
Ⅳ. That price exceeds average total cost. (A) All of the above.
(B) Ⅰand Ⅱ but not Ⅲ and Ⅳ. (C) Ⅰ,Ⅱ and Ⅲ, but not Ⅳ. (D) Ⅰ and Ⅱ only.
(E) Ⅰ and Ⅲ but not Ⅱ and Ⅳ.
11、The minimum wage is an example of (A) a price ceiling (B) a price floor (C) free-market process (D) an efficient labor allocation mechanism.
12、Positive analysis refers to (A) is (B) should be (C) could be(D) is politically correct.
13、Countries usually impose restrictions on free foreign trade to protect (A) foreign producers (B) foreign consumers (C) domestic consumers (D) domestic producers.
14、The GDP deflator is the ratio of (A) real GDP to nominal GDP (B) real GDP to nominal GDP multiplied by 100 (C) nominal GDP to real GDP (D) nominal GDP to real GDP multiplied by 100.
15、Recessions are associated with which of the following？(A) increased bankruptcies (B) falling profits (C) falling output (D) all of the above are correct.
16、Which of the following does the level of real GDP measure？(A) total real income (B) productivity (C) the standard of living (D) all of the above are correct.
17、Which of the following is a determinant of productivity？(A) human capital (B) physical capital (C) natural resources(D) all of the above are correct.
18、The source of most technological progress is (A) private research by firm (B) individual inventors (C) government research (D) both A and B are correct.
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19、If a person is risk averse, then as wealth increases, total utility of wealth (A) increases at an increasing rate (B) increases at a decreasing rate (C) decreases at an increasing rate (D) decreases at a decreasing rate.
20、People who are unemployed because of job search are best classified as (A) cyclically unemployed (B) structurally unemployed (C) frictionally unemployed (D) discouraged workers.
二、問答及計算題（4題，每題10%，共40%）
1. 何謂asymmetric information？舉例說明當有asymmetric information現象時，會有那些 問題發生？並提供可能的解決之道。 2. 對於可口可樂(x)與百事可樂(y)兩種飲料而言，小明比較喜歡喝可口可樂，他認為每 罐可口可樂的效用為百事可樂的兩倍。 (1)試問小明喝可樂的效用函數？ (2)小明每週平均支出$200 購買可樂，上週兩種可樂價格均調漲為Px＝Py＝20。求上 週小明的可樂需求數量分別各為多少？ (3)本週百事可樂特價買一送二，求小明的可樂需求數量分別為多少？ (4)因本週特價小明需要多少支出才能維持與上週的效用相同？
3、Suppose that the equation for the total demand for real money balance is given
Md ＝ 100 －5r ＋ 10y. In addition, suppose that the nominal money supply is equal to 40 and that the price level is equal to 0.5
a. What is the equation for the LM schedule？ b. What are its horizontal and vertical intercepts？
4. 請問大、小兩個經濟規模不同的國家進行自由貿易，是否對兩國都能帶來貿易上的利 益？請闡述之。
