電大西方經(jīng)濟(jì)學(xué)02任務(wù)0021小抄參考

1、專業(yè)好文檔一、單項選擇題（共20道試題，共40分。）1. 當(dāng)邊際成本曲線上升時，其對應(yīng)的平均可變成本曲線一定是（ ）d. 既可能上升，也可能下降2.假定a為自變量，b為因變量，彈性的數(shù)學(xué)表達(dá)式為（） a. e=（b/a）（a/b）3. 已知某企業(yè)生產(chǎn)的商品價格為10元，平均成本為11元，平均可變成本為8元，則該企業(yè)在短期內(nèi)（ ）c. 繼續(xù)生產(chǎn)但虧損4. 利潤最大化的原則是（ ）c. 邊際收益等于邊際成本5. 在完全壟斷市場上，廠商的邊際收益與平均收益之間的關(guān)系是（ ）a. 邊際收益小于平均收益6.一般認(rèn)為，農(nóng)產(chǎn)品的蛛網(wǎng)的形狀是（） b. 發(fā)散型7. 已知某吉芬商品的價格下降時，替代效應(yīng)增加，則

2、收入效應(yīng)（ ）b. 下降. 在完全競爭市場，廠商短期內(nèi)繼續(xù)生產(chǎn)的條件是（ ）b. avcar或avc=ar9.一般來說，某種商品的需求價格彈性與購買該種商品的支出占全部收入的比例關(guān)系是（） a. 購買該種商品的支出占全部收入的比例越大，其需求價格彈性就越大10.下列對物品邊際效用的不正確理解是（ ） c. 消費一定數(shù)量的某種物品所獲得總效用11. 邊際效用隨著消費量的增加而（ ）a. 遞減12. 當(dāng)邊際產(chǎn)量大于平均產(chǎn)量時，（ ）a. 平均產(chǎn)量增加13. 某企業(yè)生產(chǎn)的商品價格為12元，平均成本為11元，平均可變成本為8元，則該企業(yè)在短期內(nèi)（ ）b. 繼續(xù)生產(chǎn)且存在利潤14. 在完全壟斷市場上，對

3、于任何產(chǎn)量，廠商的平均收益總等于（ ）c. 市場價格15. 某個廠商的一項經(jīng)濟(jì)活動對其他廠商產(chǎn)生的有利影響，我們把這種行為稱作（ ）c. 生產(chǎn)的外部經(jīng)濟(jì)16. 平均成本等于（ ）c. 平均固定成本與平均可變成本之和17. 假定某企業(yè)全部成本函數(shù)為tc=30000+5q-q2，q為產(chǎn)出數(shù)量。那么tvc為（ ）b. 5q-q218. 完全壟斷廠商定價的原則是（ ）a. 利潤最大化19.其他因素保持不變，只是某種商品的價格下降，將產(chǎn)生什么樣的結(jié)果（） c. 需求量增加20. 邊際技術(shù)替代率是指（ ）d. 在保持原有產(chǎn)出不變的條件下用一種要素投入替代另一種要素投入的比率二、多項選擇題（共5道試題，共2

4、0分。）1. 廠商的停止生產(chǎn)點是（ ）a. p = avcb. tr = tvcd. 企業(yè)總虧損等于tfc2.需求的變動引起（） a. 均衡價格同方向變動c. 均衡數(shù)量同方向變動3. 影響勞動供給的因素有（ ）a. 工資率b. 閑暇c. 勞動者擁有的財富狀況d. 社會習(xí)俗e. 人口總量及其構(gòu)成4. 在寡頭壟斷市場，突點的需求曲線表明（ ）a. 寡頭壟斷企業(yè)一般不輕易進(jìn)行價格競爭b. 寡頭壟斷企業(yè)之間競爭的重點是改進(jìn)技術(shù)、降低成本d. 成本略有下降，價格保持不變，利潤增加5. 在下列幾種曲線中，屬于u形曲線的有（ ）a. 平均成本c. 平均變動成本e. 邊際成本三、判斷題（共10道試題，共20分

5、。）1. 基數(shù)效用論的分析方法包括邊際效用分析和無差異曲線分析方法。a. 錯誤2.當(dāng)消費某種物品的邊際效用為負(fù)時，則總效用達(dá)極大值。 a. 錯誤3.mc曲線ac曲線相交于mc曲線的最低點。 a. 錯誤4. 洛倫茲曲線彎曲程度越大，不平等的面積也就越大，基尼系數(shù)越大。b. 正確5.富有彈性的商品漲價總收益增加。 a. 錯誤6.經(jīng)濟(jì)學(xué)中長期和短期的劃分是依據(jù)時間的長短劃分的。 a. 錯誤7.邊際技術(shù)替代率是負(fù)的，并且呈遞減趨勢。b. 正確8. 在生產(chǎn)要素市場上，需求來自個人，供給來自廠商。a. 錯誤9. 如果企業(yè)沒有超額利潤，就不應(yīng)該生產(chǎn)。a. 錯誤10. 平均變動成本隨著產(chǎn)量的增加越來越少。a.

6、 錯誤四、概念連線題（共10道試題，共20分。）1. 總效用：（ ）c. 是指消費者在一定時間內(nèi)，消費一種或幾種商品所獲得的效用總和。2. 利潤：（ ）c. 一般是指經(jīng)濟(jì)利潤，也稱超額利潤，是指廠商總收益和總成本的差額。3. 公共物品：（ ）d. 是指具有非競爭性和非排他性，不能依靠市場機(jī)制實現(xiàn)有效配置的產(chǎn)品。4. 經(jīng)濟(jì)租金：（ ）a. 是準(zhǔn)租金的一種特殊形式。是指素質(zhì)較差的生產(chǎn)要素，在長期內(nèi)由于需求增加而獲得的一種超額收入。5. 需求：( )a. 是指個人或所有消費者在一定時間內(nèi)，在一定價格條件下，對某一商品愿意并且有能力購買的數(shù)量。6. 基數(shù)效用：（ ）b. 是指按1、2、3基數(shù)來衡量效用

7、的大小，這是一種按絕對數(shù)衡量效用的方法。7. 支持價格：（ ）a. 亦稱最低價格，是指政府對某些商品規(guī)定價格的下限，防止價格過低，以示對該商品生產(chǎn)的支持。8. 寡頭壟斷：（ ）d. 是指少數(shù)幾個廠商控制著整個市場中的生產(chǎn)和銷售的市場結(jié)構(gòu)。9. 供求規(guī)律：( ) f. 是指當(dāng)需求量大于供給量時，價格上升；當(dāng)需求量小于供給量時，價格下降，這就是市場價格變化的具體規(guī)律，一般稱之為供求規(guī)律。10. 洛倫茲曲線：（ ）c. 是美國統(tǒng)計學(xué)家洛倫茲提出的，是用以反映國民收入分配平均程度的一種曲線。winger tuivasa-sheck, who scored two tries in the kiwis

8、20-18 semi-final win over england, has been passed fit after a lower-leg injury, while slater has been named at full-back but is still recovering from a knee injury aggravated against usa.both sides boast 100% records heading into the encounter but australia have not conceded a try since josh charnl

9、eys effort in their first pool match against england on the opening day.aussie winger jarryd hayne is the competitions top try scorer with nine, closely followed by tuivasa-sheck with eight.but it is recently named rugby league international federation player of the year sonny bill williams who has

10、attracted the most interest in the tournament so far.the kiwi - with a tournament high 17 offloads - has the chance of becoming the first player to win the world cup in both rugby league and rugby union after triumphing with the all blacks in 2011.id give every award back in a heartbeat just to get

11、across the line this weekend, said williams.the (lack of) air up there watch mcayman islands-based webb, the head of fifas anti-racism taskforce, is in london for the football associations 150th anniversary celebrations and will attend citys premier league match at chelsea on sunday.i am going to be

12、 at the match tomorrow and i have asked to meet yaya toure, he told bbc sport.for me its about how he felt and i would like to speak to him first to find out what his experience was.uefa hasopened disciplinary proceedings against cskafor the racist behaviour of their fans duringcitys 2-1 win.michel

13、platini, president of european footballs governing body, has also ordered an immediate investigation into the referees actions.cska said they were surprised and disappointed by toures complaint. in a statement the russian side added: we found no racist insults from fans of cska. baumgartner the disa

14、ppointing news: mission aborted.the supersonic descent could happen as early as sunda.the weather plays an important role in this mission. starting at the ground, conditions have to be very calm - winds less than 2 mph, with no precipitation or humidity and limited cloud cover. the balloon, with cap

15、sule attached, will move through the lower level of the atmosphere (the troposphere) where our day-to-day weather lives. it will climb higher than the tip of mount everest (5.5 miles/8.85 kilometers), drifting even higher than the cruising altitude of commercial airliners (5.6 miles/9.17 kilometers)

16、 and into the stratosphere. as he crosses the boundary layer (called the tropopause),e can expect a lot of turbulence.the balloon will slowly drift to the edge of space at 120,000 feet ( then, i would assume, he will slowly step out onto something resembling an olympic diving platform.they blew it i

17、n 2008 when they got caught cold in the final and they will not make the same mistake against the kiwis in manchester.five years ago they cruised through to the final and so far history has repeated itself here - the last try they conceded was scored by englands josh charnley in the opening game of

18、the tournament.that could be classed as a weakness, a team under-cooked - but i have been impressed by the kangaroos focus in their games since then.they have been concentrating on the sort of stuff that wins you tough, even contests - strong defence, especially on their own goal-line, completing sets and a good kick-chase. theyve been great at all the unglamorous stuff that often goes unnoticed in the stands