2015年电大本科《西方经济学》期末复习重点资料考试小抄.doc

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电大本西方经济学期末复习资料考试小抄一、单项选择题 1需求曲线是一条倾斜的曲线,其倾斜的方向为( A右下方 ) 2其他因素保持不变,只是某种商品的价格下降,则( C需求量增加 ) 3下列因素中,不会是需求曲线移动的是( B商品价格下降 ) 4供给曲线是一条倾斜的曲线,其倾斜的方向为( B右上方 ) 5如果某种商品供给曲线的斜率为正,在保持其他条件不变的情况下,该商品价格上升,导致( C供给量增加 ) 6假如生产某种商品所需原材料的价格上升,则这种商品的( B供给曲线向左上方移动 ) 7当供求原理发生作用时,粮食减产在市场上的作用是( B粮食价格上升 ) 8关于均衡价格的正确说法是( C均衡价格是供给曲线与需求曲线交点上的价格 ) 9均衡价格随着( D需求的增加和供给的减少而上升 ) 10已知某商品的需求函数和供给函数分别为:Qd=14-3P,Qs=2+6P,则该商品的均衡价格是( A4/3 ) 11政府为了扶植农产品,规定了高于均衡价格的支持价格。为此,政府应采取的措施是( C收购过剩的农产品 ) 12政府把价格限制在均衡价格一下,可能导致( A黑市交易 ) 13在下列关于价格弹性的表达中,正确的是( A价格弹性是需求量变动对价格变动的反应程度 ) 14如果某商品富有需求价格弹性,则该商品价格上升,( C销售收益下降 ) 15如果人们收入水平提高,则食物支出在支出中的比重将会( C下降 ) 16假定某商品的价格从5元降到4元,需求量从9个上升到11个,则该商品的总收益将( C减少 ) 17蛛网理论主要是针对( B周期性商品 ) 18已知某商品的需求弹性与供给弹性均等于1.5,则蛛网的形状为( C封闭型 ) 19已知某商品的需求弹性等于0.5,供给弹性等于1.8,则蛛网形状为( B发散型 ) 20已知某商品的需求弹性等于1.5,供给弹性等于0.8,则蛛网形状为( A收敛型 ) 21某消费者逐渐增加某种商品的消费量,直至达到了效用最大化,在这个过程中,该商品的( C总效用不断增加,边际效用不断下降 ) 22总效用曲线达到顶点时,( B边际效用为0 ) 23如果消费者消费15个面包获得的总效用是100个效用单位,消费16个面包获得的总效用是106个效用单位。则第16个面包的边际效用是( D6个 )效用单位。 24消费者剩余是指消费者购买某种商品时,从消费中得到的( B满足程度超过他实际支付的价格部分 ) 25消费者均衡的公式是( CMUa/PaMUb/Pb ) 26一般来说,无差异曲线的形状是( B向右下方倾斜的曲线 ) 27在同一个平面图上,有( B无数条无差异曲线 ) 28无差异曲线上任一点商品X和Y的边际替代率等于它们的( C边际效用之比 ) 29商品X和Y的价格按相同的比率上升,而收入不变,则预算线( A向左下方平行移动 30总需求曲线是一条向右下方倾斜的曲线,表明( B国民收入与价格水平成反方向变动 ) 31总需求曲线表明( D产品市场与货币市场同时达到均衡时,总需求与价格水平之间的关系 ) 32导致总需求曲线向右上方移动的因素是( A政府支出的增加 ) 33导致总需求曲线向左下方移动的因素是( B政府支出的减少 )34下面不构成总需求的是( D税收 ) 35总需求消费+投资+政府支出( B+净出口 ) 36在以价格为纵坐标、收入为横坐标的坐标系中,长期总供给曲线是一条( D与横轴垂直的线 ) 37长期总供给曲线表示( B经济中的资源已得到了充分利用 )38短期总供给曲线表明( C总供给与价格水平成同方向变动 ) 39导致短期总供给曲线向左上方移动的因素是( A投入生产要素的价格普遍上升 ) 40平均成本等于( C平均不变成本与平均可变成本之和 ) 41假定某企业全部成本函数为TC=30000+5Q-Q2,Q为产出数量,那么TVC为( B5Q-Q2 ) 42收益是指( A成本加利润 ) 43利润最大化的原则是( C边际收益等于边际成本 ) 44一直产量为500件时,平均成本为2元,当产量增加到550件时,平均成本等于2.5元。在这一产量变化范围内,实际成本( D随着产量的增加而增加,并大于平均成本 ) 45当总量下降时,( D边际产量为负 ) 46如果连续的增加某种生产要素,在总产量达到最大时,边际产量曲线( C与横轴相交 ) 47边际技术替代率是指( D在保持原有产出不变的条件下,用一种要素投入替代另一种要素投入的比率 ) 48等成本曲线平行向外移动表明( B成本增加了 ) 49下列说法中,错误的是( B只要边际产量减少,总产量一定也减少 ) 50如下图所示,厂商的理性决策范围应在( B51,BEd=1,DEd1,BEm=1,DEm1,EEm1,BEs=1,DEsSAVC,D P=SAVC ) 36按竞争与垄断的程度,我们将市场分为( A完全垄断市场,B垄断竞争市场,C寡头垄断市场,D完全竞争市场 ) 37行业的长期供给曲线分为三种情况,( A成本不变的长期供给曲线,B成本递减的长期供给曲线,D成本递增的长期供给曲线 ) 38厂商要获得的经济利润,一定是( A TRTC,B PAC ) 39在短期,完全垄断厂商( A有可能获得正常利润,B有可能发生亏损,E可能获得超额利润 ) 40价格歧视分为( A一级价格歧视,B二级价格歧视,C三级价格歧视 ) 41一个完全竞争的市场结构,必须具备的条件是( A市场上有很多生产者和消费者,C行业中厂商生产的产品是无差别的,D厂商和生产要素可以自由流动,E购买者和生产者对市场信息完全了解 ) 42一个垄断竞争的市场结构,必须具备的条件是( A市场上有很多生产者和消费者,B行业中厂商生产的产品是有差别的,D进入市场的障碍较少 ) 43寡头垄断市场,必须具备的条件是( B行业中厂商生产的产品是可以有差别的,也可以是无差别的,D进入市场存在比较大的障碍,E市场中厂商数量较少 ) 44在寡头垄断市场,折弯的需求曲线表明( A寡头垄断企业一般不轻易进行价格竞争,B寡头垄断企业之间竞争的重点是改进技术,降低成本,D成本略有下降,价格保持不变,利润增加 ) 45生产要素价格形成与商品价格形成的不同点表现为( A供求主体不同,B需求性质不同,E需求特点不同 ) 46劳动、土地、资本和企业家才能等生产要素的价格分别是( A工资,B利润,C利息,E地租 ) 47生产要素的需求是一种( A派生需求,E引致需求 ) 48影响劳动供给的因素有( A工资率,B闲暇,C劳动者拥有的财富状况,D社会习俗,E人口总量及其构成 ) 49生产者剩余是( B生产要素的供给者得到的额外收入,C生产者实际收入的增加,E生产要素所有者得到的超过其愿意接受的收入部分 ) 50利息是( A资本的报酬,B资本这一生产要素的价格,C由资本市场的供求双方决定的 ) 51形成市场失灵的主要原因有( A垄断,B不完全信息,D外部性,E公共物品 ) 52一般来说,垄断存在的缺点是( A缺乏效率,B缺乏公平,C与完全竞争或垄断竞争相比,产品价格高、产量低 ) 53外部性可以分为( A生产的外部经济,B生产的外部不经济,C消费的外部经济,D消费的外部不经济 ) 54解决外部性的对策有( A征税,B补贴,C企业合并,E明确产权 ) 55私人物品的基本特征是( A竞争性,C排他性 ) 56公共物品的基本特征是( B非竞争性,D非排他性 ) 57居民消费函数的构成包括( A初始消费支出 B边际消费倾向决定的引致消费 ) 58居民边际消费倾向递减说明( B消费增加的数量小于国民收入的增加量,C消费在收入中的比例将随着国民收入的上升而下降,E消费和收入之间的差额将随着收入的增加而越来越大 59消费函数与储蓄函数的关系是( A它们是由消费和储蓄的关系决定的,B收入为消费和储蓄之和,C当收入一定时,消费增加储蓄减少,E当收入一定时,消费减少储蓄增加 ) 60边际消费倾向与边际储蓄倾向的关系为( A MPC+MPS=1,B MPS=1-MPC,D MPC=1-MPS ) 61西方经济学宏观消费理论包括( A杜森贝的相对收入理论,C凯恩斯的绝对收入理论,D弗里德曼的持久收入理论,E莫迪利安尼的生命周期理论 ) 62乘数的效应可以理解为( A总需求的增加引起国民收入的成倍增加,B总需求的减少引起国民收入的成倍减少,C乘数是在资源没有得到充分利用的情况下发挥作用,E乘数的大小取决于边际消费倾向的大小 ) 63投资乘数形成取决于( A产业之间的相互关联,B资源未得到充分利用 ) 64三部门国民收入决定的一般规律是( A边际消费倾向提高,国民收入增加,B边际税率倾向降低,国民收入增加,C初始消费增加,国民收入增加,E政府支出增加,国民收入增加 ) 65国民收入变动的一般规律是( A投资增加,国民收入增加,B投资减少,国民收入减少,C政府支出增加,国民收入增加,D政府支出减少,国民收入减少 ) 66乘数的公式表明( B边际消费倾向越低,乘数就越小,C边际消费倾向越高,乘数就越大 ) 67下列表述正确的是( C总需求曲线是表明总需求与价格水平之间关系的曲线,D在以价格和收入为坐标的坐标系内,总需求曲线是向右下方倾斜的 ) 68在其他条件不变的情况下,导致总需求曲线向右移动的因素有( A政府支出增加,B自发投资增加,C政府税收减少,D储蓄减少 ) 69总需求的构成包括( A居民的消费,B企业的投资,C政府的支出,D净出口 ) 70影响总需求的因素有( A价格水平,B收入水平,C预期,D财政政策,E货币政策 ) 71引起总需求曲线向右上方移动的因素有( A政府采取措施允许分期付款购买住房,C政府决定增加开支,增加政府购买 ) 72在以价格为纵坐标、收入为横坐标的坐标系中,( C垂直的直线被称为长期总供给曲线,E向右上方倾斜的曲线被称为短期总供给曲线 ) 73总供给的构成包括( B居民的消费,C居民的储蓄,D政府的税收,E进口物品 ) 74短期总供给曲线是一条向右上方倾斜的曲线表明,( B价格水平越高,国民收入水平越高,D价格与国民收入呈同方向变动 75政府购买支出乘数的作用是(B双重的,C使国民收入数倍增加,D使国民收入数倍减少)76属于内在稳定器的项目是(B税收,C政府转移支付)77经济萧条时,政府应该(A增加政府购买支出,D减少税收,E增加转移支付)78会引起收入水平上升的情况是(A增加自主性支出,B减少自主性税收,C增加自主性转移支付)79在经济衰退时期,依靠发行公债扩大政府支出的扩张性财政政策对经济的影响有(A缓和经济萧条,B增加政府债务)80实行赤字财政的影响有(A在短期内可以刺激经济增长,C在经济萧条时使经济走出衰退)81凯恩斯主义和现代货币主义都认为(A收入,B利息率,C价格)是影响货币需求的因素。82居民和企业持有货币的动机有(B交易动机,C预防动机,D投机动机)83凯恩斯的货币需求理论认为货币流通速度由(A收入,C利率)决定。84根据凯恩斯货币理论,货币供给量增加,(A利率降低,C投资和总需求增加)计算题1令需求曲线的方程式为P=30-4Q,供给曲线的方程式为P=20+2Q,试求均衡价格与均衡产量。 解:已知:P=30-4Q,P=20+2Q价格相等得: 30-4Q =20+2Q 6Q=10 Q=1.7代入P=30-4Q,P=30-41.7=23 、2某产品的需求函数为P3Q10,求P1时的需求弹性。若厂家要扩大 销售收入,应该采取提价还是降价的策略? 解:已知:P3Q10, P1将P=1代入P3Q10求得Q=3 当P=1时的需求弹性为1/3,属缺乏弹性,应提价。 3已知某家庭的总效用方程为TU=14Q-Q2 ,Q为消费商品数量,(1)试求该家庭消费多少商品效用最大,(2)效用最大额是多少。 解:总效用为TU=14Q-Q2 所以边际效用MU=14-2Q 效用最大时,边际效用应该为零。即MU=14-2Q=0 Q=7, 总效用TU=147 - 72 = 49 即消费7个商品时,效用最大。最大效用额为49 4已知某人的效用函数为TU=4X+Y,如果消费者消费16单位X和14单位Y,试求:(1)消费者的总效用(2)如果因某种原因消费者只能消费4个单位X产品,在保持总效用不变的情况下,需要消费多少单位Y产品? 解:(1)因为X=16,Y=14,TU=4X+Y,所以TU=4*16+14=78 (2)总效用不变,即78不变 4*4+Y=78 Y=62 、5假设消费者张某对X和Y两种商品的效用函数为U=X2Y2 ,张某收入为500元,X和Y的价格分别为PX=2元,PY=5元,求:张某对X和Y两种商品的最佳组合。 解:MUX=2X Y2 MUY = 2Y X2 又因为MUX/PX = MUY/PY PX=2元,PY=5元 所以:2X Y2/2=2Y X2 /5 得X=2.5Y 又因为:M=PXX+PYY M=500 所以:X=50 Y=125 6某消费者收入为120元,用于购买X和Y两种商品,X商品的价格为20元,Y商品的价格为10元,求:(1)计算出该消费者所购买的X和Y有多少种数量组合,各种组合的X商品和Y商品各是多少?(2)作出一条预算线。(3)所购买的X商品为4,Y商品为6时,应该是哪一点?在不在预算线上?为什么?(4)所购买的X商品为3,Y商品为3时,应该是哪一点?在不在预算线上?为什么? 解:(1)因为:M=PXX+PYY M=120 PX=20,PY=10 所以:120=20X+10Y X=0 Y=12;X=1 Y =10;X=2 Y=8;X=3 Y=6;X=4 Y=4;X=5 Y=2;X=6 Y=0 共有7种组合 (2) (3)X=4, Y=6 , 图中的A点,不在预算线上,因为当X=4, Y=6时,需要的收入总额应该是204+106=140,而题中给的收入总额只有120,两种商品的组合虽然是最大的,但收入达不到。 (4) X =3,Y=3,图中的B点,不在预算线上,因为当X=3, Y=3时,需要的收入总额应该是203+103=90,而题中给的收入总额只有120,两种商品的组合收入虽然能够达到,但不是效率最大。 7已知Q=6750 50P,总成本函数为TC=12000+0025Q2 。求(1)利润最大的产量和价格?(2)最大利润是多少? 解:(1)因为:TC=12000+0025Q2 ,所以MC = 0.05 Q 又因为:Q=6750 50P,所以TR=PQ=135Q - (1/50)Q2 MR=135- (1/25)Q 因为利润最大化原则是MR=MC 所以0.05 Q=135- (1/25)Q Q=1500 P=105 (2)最大利润=TR-TC=89250 8已知生产函数Q=LK,当Q=10时,PL= 4,PK = 1求:(1)厂商最佳生产要素组合时资本和劳动的数量是多少?(2)最小成本是多少? 解:(1)因为Q=LK, 所以MPK= LMPL=K 又因为;生产者均衡的条件是MPK/ MPL=PK/PL 将Q=10 ,PL= 4,PK = 1 代入MPK/ MPL=PK/PL 可得:K=4L和10=KL 所以:L = 1.6,K=6.4 (2)最小成本=41.6+16.4=12.8 10已知可变要素劳动的短期生产函数的产量表如下: 劳动量(L) 总产量(TQ) 平均产量(AQ) 边际产量(MQ) 0 0 1 5 5 5 2 12 6 7 3 18 6 6 4 22 5.5 4 5 25 5 3 6 27 4.5 2 7 28 4 1 8 28 3.5 0 9 27 3 -1 10 25 2.5 -2 9已知一垄断企业成本函数为:TC=5Q2 +20Q+1000,产品的需求函数为: Q=140-P,求:(1)利润最大化时的产量、价格和利润,(2)厂商是否从事生产? 解:(1)利润最大化的原则是:MR=MC 因为TR=PQ=140-QQ=140Q-Q2 所以MR=140-2Q MC=10Q+20 所以 140-2Q = 10Q+20 Q=10 ;P=130 (2)最大利润=TR-TC= -400 (3)因为经济利润-400,出现了亏损,是否生产要看价格与平均变动成本的关系。平均变动成本AVC=VC/Q= (5Q2 +20Q)/Q=5Q+20=70,而价格是130大于平均变动成本,所以尽管出现亏损,但厂商依然从事生产,此时生产比不生产亏损要少。 请您务必删除一下内容,O(_)O万分谢谢!2015年中央电大期末复习考试小抄大全,电大期末考试必备小抄,电大考试必过小抄Indonesia has emerged as a top vacation destination for Chinese this summer, along with Thailands Phuket island and the Maldives archipelago. Encouraged by growth in Chinese travelers to Indonesia, the government in Jakarta has recently relaxed its visa policy. Since June 10, Chinese tourists can enter Indonesia through nine appointed locations, including the Soekarno Hatta International Airport in Jakarta, the Ngurah Rai International Airport in Bali and the Kuala Namu International Airport in Medan, by just getting their passports stamped on arrival. Officially, it is called the free-visa scheme. The new policy also means Chinese tourists can save $35 on visa fees, which will likely make trips to Indonesia more alluring. While such an arrangement allows Chinese visitors to stay up to 30 days for the purpose of traveling, those seeking extensions will need to get paid visas from that countrys missions inBeijing,Shanghai,GuangzhouorHong Kong, according to an official at the Indonesia embassy in Beijing. Santo Darmosumarto, head of the embassys information, social and cultural section, says the new policy is aimed at strengthening people-to-people contacts between the two countries. Dai Yu, marketing director of Ctrip, a major Chinese online travel agency, says: Weve seen a nearly 50 percent growth over the previous month in the number of Chinese tourists to Bali since the policy was announced. During his trip to China in March, Indonesian President Joko Widodo proposed that his country and China aim to increase two-way visits to a maximum of 10 million people in the next few years. The Indonesian government has set their sights on greeting 2 million Chinese tourists by the end of this year, according to the official. The Indonesian government hopes that Indonesian nationals would also be given preferential treatment while visiting China, says Darmosumarto. In 2013, the number of Chinese tourists who visited Indonesia stood around 807,000. Last year, it increased to 959,000, he adds. Bali remains the most popular site among Chinese tourists. In February, more than 92,200 Chinese tourists made trips to Bali, ranking first among overseas visitors, the Bali Times reported. Last year, the island witnessed more than 586,000 arrivals from China, an increase of 51 percent over 2013. Bali isnt just for sightseeing, but also for weddings, honeymoons, golf and many outdoor activities, says Fan Wenqing, a marketing executive at Garuda, Indonesias national airliner. Garuda offers three nonstop flights between Beijing and Bali, and four each week between Beijing and Jakarta. There are daily flights from Guangzhou, inGuangdongprovince, and Shanghai to Jakarta as well. It takes from six to eight hours on a nonstop flight to reach Indonesia from China. Indonesia is home to more than 17,000 islands. Tourists can tour Yogyakarta to see Prambanam and Borobudur, two historical and religious sites, and explore the local handicraft markets. The base of a volcano, Bandung, which is also known as the Paris of Java, is ideal for adventure-seekers. Many ecotourism destinations, such as Toba Lake in Sumatra, Tanjung Puting National Park in Kalimantan and Bunaken in Manado, are places the embassy official recommends for tourists. Indonesia boasts world-class surfing facilities along the shores of Sumatra down to Nusa Tenggara Islands. Recently, Lombok, a sister island east of Bali has gotten so much attention from Chinese travelers that some travel agencies are offering twin packages for Bali and Lombok. The best time to visit Bali is from May to October, when it doesntrainmuch and the weather is cool. At press time, a weeklong package from Shanghai or Guangzhou to Bali was a little more than 3,000 yuan ($480) on Ctrips website. Chinese tourists have taken a shine to rafting in Ubud, sightseeing in Tanah Lot, and surfing and diving in Nusa Lembongan, says Dai. Civet coffee, essential oil and woodcarvings are among the most popular products for Chinese tourists in Indonesia, she says. Indonesian food is also something that visitors shouldnt miss. Local cuisines feature many spices, including peppers and cloves, and coconut pulp. Fried rice, dirty duck and roast suckling pig are recommended. Childrens illustration books first appeared in the 1600s in Europe. Their passage to China, however, took much longer, roughly 300 years. In China, childrens illustration books have a history of just 100 years and their development can be divided into four stages. From early 1900s to mid 1900s, a large number of books and magazines with illustrations appeared with the fast development of the modern publishing industry. The illustrationarts at that time were a mixed genre of Chinese traditionalpaintings and the westernstyle, and most of the stories originate from the fundamental changes that China experienced after the collapse of Qing Dynasty (1644-1911), the warlord struggles and the war against the Japanese invasion. The second stage was from mid 1900s to late 1970s, when the cultural revolution (1966-76) ended. The fast development of some special publishing houses for children gave birth to a large number of illustration-story books, which made a good use of folk art techniques, such as wood board carving, frescoes, and ink and wash painting, etc. Many of the popular stories are from Chinese history and wars after 1900s. The third stage is from early 1980s to late 1990s, a golden period for the development of childrens illustration books. The reform and opening-up brought in new concepts and ideas from the West to China, a country that had been closed to the West for nearly three decades. Fast development of economy, society and culture provided the writers and painters with a lot of inspiration to create new literature works and draw illustrations. China also imported large amounts of childrens illustration books from the West and Japan. Many young parents in China have a strong nostalgia about childrens illustration books they read in the 1980s and 1990s. This is also the last era in Chinas artistic innovation before the advent of the Internet period. The fourth stage is featured with the spread of the Internet and the other computerized means of art innovation. The hand-drawn childrens illustration books are gradually replaced by cartoons drawn and copied by software and machines, and shown on tablets, computers, television and smart phones, instead of books. Hainan Tropical Wildlife Park and Botanical Garden is natures haven, with no less than 4,000 rare birds and animals representing 200 species. With tropical forest covering over 90 percent of its area, the garden offers beautiful views of a wide range of tropical plants, flowers and fruit trees. The scenic spot about 25 kilometers from the center of Haikou offers a drive-thru safari tour where you can get up close with elephants, lions and bears. The Safari on Foot area features walking trails where visitors can see the rest of the animals, including hippos and monkeys, and feed them for a small fee. Visitors also can see what happens when you breed a lion and a tiger. Two unique attractions are rare hybrids: a liger, the offspring of a mallion and a female tiger and a tigon, which is created by a female lion and a male tiger. As ateaching center of the National Popular Science Education program, the park also serves as a second classroom for students to learn about wildlife and plants. Since it was established in 1995, it has received more than one million student visitors. At a crucial moment when pessimism has brought the Greek crisis to such a head that the country is closer to a default on its debt repayments than ever, Li offered a spark of enthusiasm to restart the stalled talks by calling on Greece and its creditors to reach a last-minute deal that will allow Greece to remain in the eurozone. Given the escalation of the countrys crisis over the weekend sent a shock wave through the global stock markets on Monday, there are ample reasons to worry about the uncertainties surrounding the events in Greece and the effect a default would have on Europe, relations between China and the EU, global financial stability and the nascent global economic recovery. Greece has announced that it will hold a referendum on a bailout plan proposed last week by the countrys creditors. In response, Greeces eurozone partners have refused to extend the countrys
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