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科目 : 經濟學 ( 企管所 ) 共 7 頁之第 1 頁考試日期 :2012/11/24 注意事項 :1. 答案卷上必須註明 科目 / 所別 准考證號碼 姓名 否則不予計分 2. 請依次序作答, 只要標明題號, 不必抄題 3. 請用藍筆或黑筆作答, 以鉛筆作答不計分, 作答的版面需排版整齊! 4. 請使用普通型計算機, 不得使用工程型計算機! 一 中文選擇題 (40%) ( 單選, 每題 2 分, 不倒扣 ) 1. 當預期通貨膨脹率上升 : A. 債券需求增加而債券供給減少 B. 債券需求與債券供給都減少 C. 資金需求增加而資金供給減少 D. 資金需求與資金供給都增加 2. 根據凱因斯所得模型, 當產出小於總和需求時, 廠商的存貨將, 廠商為維持存貨水準將生產 A. 增加, 增加 B. 增加, 減少 C. 減少, 增加 D. 減少, 減少 3. 下列敘述何者錯誤 : A. 在固定匯率制度下, 一國將失去貨幣政策自主性 B. 在浮動匯率制度下, 一國的國際收支狀況不會影響該國貨幣供給 C. 在浮動匯率制度下, 一國的國際收支狀況會影響該國外匯存底數量 D. 在固定匯率制度下, 中央銀行將無法控制貨幣供給 4. 若資金可以在國際間自由移動且央行不干預匯市 ; 當一個小型經濟政治環境改善時, 其經常 帳餘額會 : A. 上升 B. 下降 C. 不一定 D. 不變 5. 台北市民搭乘捷運接駁車享有折扣 : A. 反映出公共運輸有超額供給的現象 B. 減低發生交通壅塞的外部負效果 C. 利用悠遊卡的資訊做不對稱使用 D. 以補貼政策來收攬人心 6. 當實際失業率等於自然失業率時, 則社會上不存在下列何種失業 : A. 摩擦性失業 B. 結構性失業 C. 循環性失業 D. 隱藏性失業 7. 以低於市場價格來進行價格管制時, 下列何者為真? A. 生產者和消費者皆獲利 B. 生產者不利 消費者獲利 C. 生產者不確定 消費者獲利 D. 生產者和消費者皆不利 E. 生產者不利 消費者不確定 1

共 7 頁之第 2 頁 8. 小惠的效用函數為 U=X 2 Y, 若 P X =1,P Y =2, 而消費者的所得為 15, 此時小惠的貨幣所得 邊際效用為多少? A.50 B.100 C.150 D.200 9. 若兩要素為完全替代, 則等成本線上各點的產量水準有何特色? A. 都相同 B. 都不相同 C. 找不到產量極大的點 D. 至少可以找到一個產量極大的點 10. 根據高斯定理, 應該如何解決外部性問題? A. 透過政府與人民的協商 B. 透過政府對市場的干預 C. 政府藉由課稅或補貼的手段 D. 外部性的財產權可以明確的歸屬 11. 近日由希臘 葡萄牙 西班牙等國所引發的歐洲債信危機源於龐大的赤字問題 請問以下 哪些政策可以融通赤字問題? A. 發行主權債券 B. 公開市場操作 C. 降低隔夜拆款利率 D. 實施減稅方案 12. 請問一般住商混和的大樓中, 其公用的電梯歸屬以下何種財貨? A. 私有財 B. 公共財 C. 自然資源 D. 以上皆非 13. 近日針對電影院是否可以攜帶外食引起消保會的關注 若未來各家電影院開放允許消費者可以無償攜帶外食入場, 請問此時在各家電影院原先經營的食品廠商其商品的價格彈性將會如何改變? A. 沒有影響 B. 價格彈性上揚促使廠商必須使用降價策略 C. 價格彈性下降促使廠商必須使用降價策略 D. 價格彈性下降促使廠商獲利稅減 14. 下列何種因素在維持經濟成長的功效最大? A. 提高工時 B. 累積經濟資源 C. 技術改進 D. 提高勞動參與率 15. 以下關於乘數效果的說明何者正確? A. 是由經濟學家 John Keynes 所提出 B. 指誘發性支出變動促使均衡產出呈現倍數變動的效果 C. 當所得稅稅率越高時乘數效果越強 D. 以上皆是 16. 下列關於利率的說明何者正確? A. 給定名目利率調升之下, 通貨膨脹率也會隨之上升 B. 利率調升之際會抑制廠商投資的意願 2

共 7 頁之第 3 頁 C. 利率調升之際會抑制家計單位儲蓄的意願 D. 利率調升之際會抑制家計單位持有貨幣的意願 17. 下列關於道德危機的陳述何者正確? A. 保險公司可以透過提高保費降低道德危機 B. 廠商可以透過廣告行銷降低道德危機的影響 C. 求職者可以透過學經歷的展示降低道德危機 D. 以上皆非 18. 請問貨幣供給可以透過何種管道影響總和需求? A. 由所得變化改變消費及出口, 進而影響總和需求 B. 由利率變化改變投資及消費需求, 進而影響總和需求 C. 由所得變化改變利率及貨幣需求 D. 由利率變化改變儲蓄及總和供給, 進而影響總和需求 19. 假若我們定義台灣為本國而美國為外國, 請問下列何種情境可以提升台灣對美國的實質匯 率? A. 美元升值 B. 台幣貶值 C. 台灣商品價格上升 D. 美國商品價格上揚 20. 近日政府擬定對豪宅開徵豪宅稅, 假設政府希望該稅捐由賣方全面吸收, 請問在下列何種情境下可以達成此一目標? A. 豪宅的需求曲線為水平線 B. 豪宅的需求曲線為垂直線 C. 豪宅的供給曲線為水平線 D. 豪宅的供給曲現為正斜率而需求曲線為負斜率 二 英文選擇題 (40%) ( 單選題, 每題 2 分, 不倒扣 ) 1.Amy considers kids to be an inferior good. As a result of kids begin an inferior good, the A. substitution effect must be larger in magnitude than the income effect so that less is purchased as the price falls. B. substitution effect must be smaller in magnitude than the income effect so that less is purchased as the price falls. C. income effect is positive, so that more is purchased as income increases. D. income effect is negative, so that less is purchased as income increases. 3

共 7 頁之第 4 頁 2.You are the new vice president in charge of advertising at Burger King. In your upcoming campaign, you plan to degrade the fast food competitor whose product is the closet substitute for Burger King's tacos. That would be the fast food chain whose cross elasticity of demand with your tacos is equal to A. negative 2.21 B. positive 1.66 C. negative 1.75 D. positive 1.00 3.Which of the following increases aggregate demand? A. a decrease in foreign income B. a decrease in tax rates C. a decrease in government spending D. a decrease in the money supply 4.When the Federal Reserve reduces its inflation target, it sets a real interest rate at any rate of inflation, which will consumption and investment spending at every level of output. A. higher; increase B. higher; decrease C. higher; not change D. lower; increase 5.According to the theory of the kinked demand curve, A. price wars will be commonplace B. the price will fluctuate frequently C. the kink occurs at the industry-wide price D. the price is established by a price leader 6.If factor prices and factor quantities move in the same direction, we have A. a constant cost industry B. an increasing cost industry C. a decreasing cost industry D. any of the above 7.Given that AD and AS intersect in the positively sloped portion of the AS schedule, which of the following statements is true? A. if there is an interest elastic demand for money, a decrease in government spending decreases prices and output. B. if commodity demand is interest elastic, an increase in the nominal stock of money increases prices and output. C. an increase in the productivity of labor decreases price and increases output. D. an increase in money wages decreases price and output. 8.Short-run contractions and expansions in economic activity are called A. recessions B. expansions C. deficits D. business cycle 4

共 7 頁之第 5 頁 9.Without an accommodating monetary policy, a push by workers to get higher wages will cause A. hyperinflation B. higher unemployment C. cost-push inflation D. demand-push inflation 10.Which of the following events is most likely to occur when the interest rate increases? A. the money demand curve shifts to the right B. the money demand curve shifts to the left C. the price of bonds will fall D. the price of bonds will rise 11.The slope of budge line A. is always -1. B. represents the opportunity cost of consuming one more unit of the good measured on the horizontal axis. C. increases as more of one good is consumed. D. decreases as more of one good is consumed. E. is negative because of the law of demand. 12.The Engle curve for a Giffen good is A. negatively sloped B. positively sloped C. vertical D. horizontal 13.Increased lifetime wealth leads to A. earlier retirement through the income effect B. later retirement through the substitution effect C. earlier retirement through the substitution effect D. later retirement through the income effect E. none of the above 14.Suppose that you must decide how much to spend and how much to save while you are working in order to have money to spend when you retire. Assume that the income effect dominates the substitution effect. Accordingly, how is an increase in the interest rate on savings likely to affect saving? A.it increases saving B. it decreases saving C. it may increase or decrease saving D. it doesn t affect saving 15.People who choose not to take part in fair games are called A. risk takers B. risk averse C. risk neutral D. broke 5

共 7 頁之第 6 頁 16.Two isoquants, which represent different output levels but are derived from the same production function, can t cross because A. isoquants represent different utility levels. B. this would violate a transitivity condition. C. isoquants are downward sloping. D. additional inputs will not be used by profit maximizing firms if those inputs decrease output. E. both B & D are true. 17.What is the elasticity of substitution of a production function, Q=AK 0.3 L 0.5,where A is a constant, K is the capital inputs, and L is the labor inputs? A. 0 B. -1 C. 0.8 D. 1 18.Supposed the utility function for a firm manager is U=π+bQ, where Q is output, πis profit, and b is a positive constant. How would the firm s output compare with what it would be if the manager s object was to maximize utility? A. It would be greater than the profit-maximizing output. B. It would be less than the profit-maximizing output. C. It would be the same with the profit-maximizing output. D. None of the above 19.Some grocery stores are offering coupons which entitle them to a discount on certain items on their next visit when they go through the check-out line. This practice is called A. third degree price discrimination B. intertemporal price discrimination C. bundling D. two-part tariff 20.Which of the following describes a junk bond? A. Low yield to maturity B. High coupon rate, but low face value C. High default risk D. Value of zero 6

共 7 頁之第 7 頁 三 計算分析題 (20%) ( 要寫明計算過程, 否則不予計分 ) 1. 產業的需求曲線是 :P=28-Q, 邊際成本固定為 10 美元 (1) 如果產業是一個完全競爭, 則產出的水準應該是多少? 消費者剩餘及生產者剩餘應該是多少? (2) 如果產出是在一個完全競爭的產業中生產, 那麼廠商可以實施差別取價嗎? 為什麼? (3) 如果產出是在一個獨占的產業被生產, 則市場價格及產出會是多少? 消費者剩餘與生產者剩餘各是多少? (4) 如果產出是在一個獨占產業被生產, 而這個獨占產業實施第一級差別訂價, 則消費者剩餘及生產者剩餘會變成多少? (10 分 ) 2. Assume the following information describe the structure of an economy: (10%) C=C a +0.8(Y-T), C a =500-16r, T=500+0.25Y, I P =500-20r, G=1200, (M/P) d =0.1Y-33r, M S /P=240 (1)What is the level of saving at equilibrium? (4%) (2)What is the level of planned investment at equilibrium? (3%) (3)If r=3 and Y=4200, would there be an excess demand or excess supply of money and how much?(3%) 7