【正文】 使用的技術(shù)沒有發(fā)生變化。 7．（ ）均衡的國(guó)內(nèi)生產(chǎn)總 值大于充分就業(yè)的國(guó)內(nèi)生產(chǎn)總值時(shí)，經(jīng)濟(jì)中存在失業(yè)。 四、計(jì)算題（每小題 5 分，共 10 分） 1．某消費(fèi)者有 120元，當(dāng) X商品的價(jià)格為 20元， Y商品的價(jià)格為 10元時(shí)，各種不同數(shù)量的 X和 Y 商品的邊際效用如下表： QX MUX QY MUY 1 16 1 10 2 14 2 8 3 12 3 4 5 4 7 5 2 5 6 1 6 6 7 8 5 9 10 4 11 12 3 該消費(fèi)者在購買幾單位 X商品和幾單位 Y商品時(shí)，可以實(shí)現(xiàn)效用最大化？ 已知 M＝ 120， PX＝ 20 元， PY＝ 10元，消費(fèi)者在購買 X與 Y商品 時(shí)的組合方式，以及從 X、 Y中所得到的總效用如下： 組合方式 MUX／ PX 與 MUY／ PY 總效用 QX＝ 6 QY＝ 0 1／ 20≠0／ 10 1 QX＝ 5 QY＝ 2 2／ 20≠8／ 10 67 QX＝ 4 QY＝ 4 5／ 20≠7／ 10 QX＝ 3 QY＝ 6 12／ 20＝ 6／ 10 87 QX＝ 2 QY＝ 8 14／ 20≠5／ 10 QX＝ 1 QY＝ 10 16／ 20≠4／ 10 80 QX＝ 0 QY＝ 12 0／ 20≠3／ 10 從上表可看出，購買 3單位 X商品與 6單位 Y商品可以實(shí)現(xiàn)效用最大化。（ 2分） （ 3）特大企業(yè)會(huì)引 起市場(chǎng)失靈，是由于壟斷的存在。在其他條件不變的情況下，消費(fèi)隨收入的變動(dòng)而同方向變動(dòng)，消費(fèi)函數(shù)用公式表示為： C＝ f（ Y）。（ 3分 練習(xí) 6 一、填空題（每空 1 分，共 20 分） 價(jià)值判斷 為依據(jù)，是實(shí)證方法與規(guī)范方法的重要區(qū)別之一。Qx＋ Py 價(jià)格調(diào)節(jié) 并不能實(shí)現(xiàn)資源配置最優(yōu)。 ____法定準(zhǔn)備率 ___。 2.（ ）序數(shù)效用論認(rèn)為，商品效用的大小取決于它的使用價(jià)值。 6.（ ）充分就業(yè)與任何失業(yè)的存在都是矛盾的，因此，只要經(jīng)濟(jì)中有一個(gè)失業(yè)者存在，就不能說實(shí)現(xiàn)了充 分就業(yè)。 10.（ ）匯率貶值就是指用本國(guó)貨幣表示的外國(guó)貨幣的價(jià)格下跌了。請(qǐng)計(jì)算會(huì)計(jì)成本、機(jī)會(huì)成本各是多少？ （ 1）會(huì)計(jì)成本為： 40萬元＋ 5萬元＋ 5萬元＋ 5萬元＝ 55萬元。（ 2分） （ 2）根據(jù)公式 a＝ 1／ (1c)，已知 a＝ ，因此，邊際消費(fèi)傾向 MPC或 c＝ 。此時(shí)價(jià)格高（圖 1中的 P1），企業(yè)有超額利潤(rùn)（圖 1中的 ABCP1）； （ 4分） （ 2）在長(zhǎng)期中，各個(gè)企業(yè)都可以根據(jù)市場(chǎng)價(jià)格來充分調(diào)整產(chǎn)量，也可以自由進(jìn)入或退出該行業(yè)。周期性失業(yè)又稱為總需求不足的失業(yè)，是由于總需求不足而引起的短期失業(yè)。引起周期性失業(yè)的主要原因是總需求不足。s top try scorer with nine, closely followed by TuivasaSheck with eight. But it is recently named Rugby League International Federation player of the year Sonny Bill Williams who has attracted the most interest in the tournament so far. The Kiwi with a tournament high 17 offloads has the chance of being the first player to win the World Cup in both rugby league and rugby union after triumphing with the All Blacks in 2021. I39。s Premier League match at Chelsea on Sunday. I am going to be at the match tomorrow and I have asked to meet Yaya Toure, he told BBC Sport. For me it39。s actions. CSKA said they were surprised and disappointed by Toure39。ve been great at all the unglamorous stuf f that often goes unnoticed in the stands but not by y our teammates. It is as though their entire tournament has been preparation f or the f inal. In Johnathan Thurston, Cooper Cronk, Cameron Smith and either Billy Slater or Greg Inglis at f ullback they hav e a spine that is unmatched in rugby league. They hav e play ed in so many highpressure games a priceless asset going into Saturday . The Kiwis are a lot less experienced but winning a dramatic match like their semif inal against England will do wonders f or their conf idence. They def eated Australia in the Four Nations f inal in 2021 and the last World Cup, and know they can rise to the big 專業(yè)好文檔 occasion. 請(qǐng)您刪除一下內(nèi)容， O(∩ _∩ )O 謝謝！??！ 2021年中央電大期末復(fù)習(xí)考試小抄 大全，電大期末考試必備小抄，電大考試必過小抄 Basketball can make a true claim to being the only major sport that is an American invention. From high school to the professional level, basketball attracts a large following for live games as well as television coverage of events like the National Collegiate Athletic Association (NCAA) annual tournament and the National Basketball Association (NBA) and Women39。s bounce. Inside the covering or casing, a rubber bladder holds air. The ball must be inflated to a pressure sufficient to make it rebound to a height (measured to the top of the ball) of 4954 in ( m) when it is dropped on a solid wooden floor from a starting height of 6 ft ( m) measured from the bottom of the ball. The factory must test the balls, and the air pressure that makes the ball legal in keeping with the bounce test is stamped on the ball. During the intensity of high school and college tourneys and the professional playoffs, this inflated sphere mands considerable attention. Basketball is one of few sports with a known date of birth. On December 1, 1891, in Springfield, Massachusetts, James Naismith hung two halfbushel peach baskets at the opposite ends of a gymnasium and outlined 13 rules based on five principles to his students at the International Training School of the Young Men39。 smaller gyms used five players on a side, and the larger gyms allowed seven to nine. The team size became generally established as five in 1895, and, in 1897, this was made formal in the rules. The YMCA lost interest in supporting the game because 1020 basketball players monopolized a gymnasium previously used by many more in a variety of activities. YMCA membership dropped, and basketball enthusiasts played in local halls. This led to the building of basketball gymnasiums at schools and colleges and also to the formation of professional leagues. Although basketball was born in the United States, five of Naismith39。 and Japan in 1900. From 1891 through 1893, a soccer ball was used to play basketball. The first basketball was manufactured in 1894. It was 32 in (81 cm) in circumference, or about 4 in (10 cm) larger than a soccer ball. The dedicated basketball was made of laced leather and weighed less than 20 oz (567 g). The first 專業(yè)好文檔 molded ball that eliminated the need for laces was introduced in 1948。s game. Television interest followed the women as well with broadcast of NCAA championship tourneys beginning in the early 1980s and the formation of the WNBA in 1997. Internationally, Italy has probably bee the leading basketball nation outside of the United States, with national, corporate, and professional teams. The Olympics boosts basketball internationally and has also spurred the women39。s professional leagues were attempted and failed, including the Women39。 the Cleveland Rosenblums, owned by Max Rosenblum。s Harlem Globetrotters, which was actually from Chicago. While these teams had some notable players, no superstars, such as Babe