课程名称︰经济学原理 课程性质︰必修（兼通识） 课程教师︰张清溪 开课学院：社科院、管院 开课系所︰经济系、国企系、财金系 考试日期（年月日）︰2009/12/07 考试时限（分钟）：50分钟 是否需发放奖励金：是 （如未明确表示，则不予发放） 试题 : 一、选择题50％ Table 16.3 shows the situation facing two firms, both of which are polluting. Assuming that each firm emits 5 units of pollution.(表略) 1)Refer to Table 16.3. Suppose the government wants to reduce the total amount of pollution from the current level of 10 to 4. To do this, the government caps each firm's emissions at 2 units and issues 2 permits to each firm. If firms are allowed to trade permits, what is the total cost of the pollution reduction? A)$0 B)$30 C)$52 D)$55 2)Refer to Table 16.3. Suppose the government wants to reduce the total amount of pollution from the current level of 10 to 4. To do this, the government caps each firm's emisdsion at 2 units and issues 2permits to each firm. If firms are allowed to trade permits, how many permits will be traded between this two firms? A)A will buy two permits from B B)B will buy two permits from A C)A will buy one permit from B D)B will buy one permit from A 3)If the production of a good generates external benefits, the government could increase efficiecy by ____ production of the good to ____. A)taxing; reduce the amount produced B)subsidizing; increasing the amount produced C)regulating; reduce the amount produced D)requiring; be licensed 4)Samulelson's theory of public expenditure demonstrates that A)government is inefficient and will always engage in too much spending B)an optimal(or more efficient) level of output exists for every public good C)an efficient mix of public goods is produced when local land/ housing prices and taxes come to reflect consumer preferences D)through government regulation of private industry the optimal level of public good provision is achieved 5)Because people enjoy the benefits of public goods whether they pay for them or not, people are usually unwilling to pay for them. This is known as the ____ problem. A)drop-in-the-bucket B)nonexcludable C)nonrival D)free-rider 6)You and two friends are going to the movies and are going to one of three movies:a, b, or c. You prefer movie movie a to movie b to movie c. One of your friends prefers movie b to movie c to movie a. Your other friend prefers movie c to movie a to movie b. The three of you decide to use majority rule voting to decide which movie you will see. If you first have a vote between movies a and b and then between the winner of that vote and movie c, then movie ____ will win. However, if you first vote between movies a and c and then between the winner of that vote and movie b, then movie ___ will win. This is an example of the ____. A)a; c; voting paradox B)b; c; impossibility theorem C)c; b; voting paradox D)a; b; majority rule voting 7)You will still be able to get public broadcasting whether or not you contribute. This is an example of the ___ problem. A)public good B)free-rider C)rival in comsumption D)drop-in-the-bucket 8)Market power refers to a firm's ability to A)raise price without losing all demand for its product B)charge any price it likes C)sell any amount of output it desires at the market-determined price D)monopolize a market completel 9)When a demand curve is a downward sloping straight line, the slope of the marginal revenue curve is ____ the demand curve. A)always equal to the slope of B)the same as the slope of C)half as steep as D)twice as steep as 10)Why do price discriminating firms often offer lower prices to children and elderly? A)They have a lower willingness to pay than other consumers B)Their demand for goods and services tends to be less elastic than other consumers C)Such a strategy lowers the costs of the firm D)all of the above are correct 二、问答题50％ 1.假设某一条河川的上游为一家化工厂，下游为鱼虾养殖场。假设化工厂生产化工产品 （Q）的边际利润为10（MR＝10），边际成本为Q（MC＝Q）。由於化工厂生产化工产品会 同时排放污水於河中，将导致鱼虾养殖场有边际损失Q（MDC＝Q），试回答下列问题。 （请利用数学搭配图形分析） （1）请问社会福利最适时，化工产品的生产数量应该为多少？ （2）请问追求利润极大化时，工厂不考虑外部性的问题，则化工产品的生产数量为多少？ （3）请问当和流得所有权属於化工厂，经过化工厂与鱼虾养殖场的谈判与协调，则最适 的生产数量为多少？为什麽？（有完整说明才给分） （4）请问当河川所有权属於鱼虾养殖场，经过化工厂与鱼虾养殖场的谈判与协调，则最 适的生产数量为多少？为什麽？（有完整说明才给分） 2.请证明某一独占厂商短期利润为零时，只要该厂商的总固定成本（TFC）大於零，则该 独占厂商将继续营运。（请用图形分析，要有文字解释） 3.某产业之需求函数为Q＝100-P，且生产产品之长期边际成本值LMC＝10，试问以下问题 。（请利用数学搭配图形分析） （1）若此产业为完全竞争时，市场均衡价格与产量。 （2）若此产业为完全独占时，独占厂商之最适定价与产量。 （3）与完全竞争相比，独占所造成的社会福利净损失有多大？ （4）若此产业为完全独占时，并且采取完全差别取价，则该产业的利润有多少？ -- 亚沙~~我是亚沙唷~~~ 把早餐吃一吃~~~快去上学唷~~~ 嗯....再让我睡一下...亚沙学姊.... !? 名雪!? 你怎麽在这里!? 等等!! 你为什麽要拿着一把果酱刀!? 名雪:"嗯....那个亚沙不知道是什麽人呢...? 佑一? (笑) KANON 番外篇 佑一の结末曲 --

※ 发信站: 批踢踢实业坊(ptt.cc) ◆ From: 220.139.80.146