mooc出版经济学章节答案(mooc完整答案)

mooc出版经济学章节答案(mooc完整答案)

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第一篇 经济学导论

1.1 经济学十大原理随堂测验

1、出版When the government attempts to improve equality in an economy the result is 经济节答often
A、an increase in overall output in the economy.
B、学章additional government revenue since overall income will increase.
C、案m案a reduction in equality.
D、整答a reduction in efficiency.

2、出版The经济节答 opportunity cost of an item is
A、the number of hours needed to earn money to buy the item.
B、学章what you give up to get that item.
C、案m案usually less than the dollar value of the item.
D、整答the dollar value of the item.

3、出版The经济节答 short-run tradeoff between inflation and unemployment implies that, in the short run,
A、a decrease in the growth rate of the quantity of money will be accompanied by an increase in the unemployment rate.
B、学章an increase in the growth rate of the quantity of money will be accompanied by an increase in the unemployment rate.
C、案m案policymakers are able to reduce the inflation rate and,整答 at the same time, reduce the unemployment rate.
D、policymakers can nfluence the inflation rate, but not the unemployment rate.

4、With careful planning, we can usually get something that we like without having to give up something else that we like.

5、Equality refers to how the pie is divided, and efficiency refers to the size of the economic pie.

1.3 相互依存性与贸易的好处随堂测验

1、Which is the most accurate statement about trade
A、Trade can make every nation better off.
B、Trade makes some nations better off and others worse off.
C、Trading for a good can make a nation better off only if the nation cannot produce that good itself.
D、Trade helps rich nations and hurts poor nations.

2、Trade allows each person to specialize in the activities he or she does best, thus increasing each individual's productivity.

第二篇 供给与需求I：市场如何运行

单元测验2： 第二篇（供给与需求：市场如何运行）

1、In a market economy, supply and demand determine
A、both the quantity of each good produced and the price at which it is sold.
B、the quantity of each good produced but not the price at which it is sold.
C、the price at which each good is sold but not the quantity of each good produced.
D、neither the quantity of each good produced nor the price at which it is sold.

2、The quantity demanded of a good is the amount that buyers are
A、willing to purchase.
B、willing and able to purchase.
C、willing, able, and need to purchase.
D、able to purchase.

3、A decrease in quantity demanded
A、results in a movement downward and to the right along a demand curve.
B、results in a movement upward and to the left along a demand curve.
C、shifts the demand curve to the left.
D、shifts the demand curve to the right.

4、Adam Smith suggested that an invisible had guides market economies. In this analogy, what is the baton that the invisible hand uses to conduct the economic orchestra?
A、the government
B、prices
C、subsidies
D、the Federal Reserve

5、Elasticity is
A、a measure of how much buyers and sellers respond to changes in market conditions.
B、the study of how the allocation of resources affects economic well-being.
C、the maximum amount that a buyer will pay for a good.
D、the value of everything a seller must give up to produce a good.

6、Suppose there is a 6 percent increase in the price of good X and a resulting 6 percent decrease in the quantity of X demanded. Price elasticity of demand for X is
A、0.
B、1.
C、6.
D、36.

7、Goods with many close substitutes tend to have
A、more elastic demands.
B、less elastic demands.
C、price elasticities of demand that are unit elastic.
D、income elasticities of demand that are negative.

8、If two goods are substitutes, their cross-price elasticity will be
A、positive.
B、negative.
C、zero.
D、equal to the difference between the income elasticities of demand for the two goods.

9、A price ceiling is binding when it is set
A、above the equilibrium price, causing a shortage.
B、above the equilibrium price, causing a surplus.
C、below the equilibrium price, causing a shortage.
D、below the equilibrium price, causing a surplus.

10、If the government wants to reduce smoking, it should impose a tax on
A、buyers of cigarettes.
B、sellers of cigarettes.
C、either buyers or sellers of cigarettes.
D、whichever side of the market is less elastic.

11、If something happens to alter the quantity demanded at any given price, then the demand curve shifts.

12、If orange juice and apple juice are substitutes, an increase in the price of orange juice will shift the demand curve for apple juice to the left.

13、In general, demand curves for necessities tend to be price elastic.

14、Price elasticity of demand along a linear, downward-sloping demand curve increases as price falls.

15、When demand is inelastic, a decrease in price increases total revenue.

16、Normal goods have negative income elasticities of demand, while inferior goods have positive income elasticities of demand.

17、At the equilibrium price, the quantity that buyers want to buy exactly equals the quantity that sellers want to sell.

18、The effects of rent control in the long run include lower rents and lower-quality housing.

19、Not all sellers benefit from a binding price floor.

20、Who bears the majority of a tax burden depends on whether the tax is placed on the buyers or the sellers.

第三篇 供给与需求II：市场与福利

单元测验3：第三篇（供给与需求II：市场与福利）

1、Welfare economics is the study of
A、taxes and subsidies.
B、how technology is best put to use in the production of goods and services.
C、government welfare programs for needy people.
D、how the allocation of resources affects economic well-being.

2、Consumer surplus is
A、the amount a buyer is willing to pay for a good minus the amount the buyer actually pays for it.
B、the amount a buyer is willing to pay for a good minus the cost of producing the good.
C、the amount by which the quantity supplied of a good exceeds the quantity demanded of the good.
D、a buyer's willingness to pay for a good plus the price of the good.

3、If a consumer places a value of $20 on a particular good and if the price of the good is $25, then the
A、consumer has consumer surplus of $5 if he buys the good.
B、consumer does not purchase the good.
C、price of the good will rise due to market forces.
D、market is out of equilibrium.

4、If Gina sells a shirt for $40, and her producer surplus from the sale is $32, her cost must have been
A、$72.
B、$32.
C、$8.
D、We would have to know the consumer surplus in order to make this determination.

5、Inefficiency exists in an economy when a good is
A、not being consumed by buyers who value it most highly.
B、not distributed fairly among buyers.
C、not produced because buyers do not value it very highly.
D、being produced with less than all available resources.

6、When a tax is imposed on a good, the
A、supply curve for the good always shifts.
B、demand curve for the good always shifts.
C、amount of the good that buyers are willing to buy at each price always remains unchanged.
D、equilibrium quantity of the good always decreases.

7、Taxes cause deadweight losses because they
A、lead to losses in surplus for consumers and for producers that, when taken together, exceed tax revenue collected by the government.
B、distort incentives to both buyers and sellers.
C、prevent buyers and sellers from realizing some of the gains from trade.
D、All of the answers are correct.

8、The deadweight loss from a $3 tax will be largest in a market with
A、inelastic supply and elastic demand.
B、inelastic supply and inelastic demand.
C、elastic supply and elastic demand.
D、elastic supply and inelastic demand.

9、The before-trade price of fish in Denmark is $10.00 per pound. The world price of fish is $6.00 per pound. Denmark is a price-taker in the fish market. If Denmark begins to allow trade in fish, its consumers of fish will become
A、better off, its producers of fish will become better off, and on balance the citizens of Denmark will become better off.
B、worse off, its producers of fish will become better off, and on balance the citizens of Denmark will become worse off.
C、worse off, its producers of fish will become better off, and on balance the citizens of Denmark will become worse off.
D、better off, its producers of fish will become worse off, and on balance the citizens of Denmark will become better off.

10、Suppose Iran imposes a tariff on lumber. For the tariff to have any effect, it must be the case that
A、Iran is an exporter of lumber.
B、the domestic quantity of lumber supplied exceeds the domestic quantity of lumber demanded at the world price without the tariff.
C、the world price without the tariff is less than the price of lumber without trade.
D、the world price without the tariff is greater than the price of lumber without trade.

11、Which of the following is correct?
A、Consumer surplus refers to a situation in which there are more buyers than sellers in a market.
B、Producer surplus refers to a situation in which there are more sellers than buyers in a market
C、Total surplus is measured as the area below the demand curve and above the supply curve, up to the equilibrium quantity
D、All the answers are correct.

12、If an allocation of resources is efficient, then
A、consumer surplus is maximized
B、producer surplus is maximized.
C、all potential gains from trade among buyers are sellers are being realized
D、the allocation achieves equality as well.

13、The "invisible hand" refers to
A、the marketplace guiding the self-interests of market participants into promoting general economic well-being.
B、the fact that social planners sometimes have to intervene, even in perfectly competitive markets, to make those markets more efficient.
C、the equality that results from market forces allocating the goods produced in the market.
D、the automatic maximization of consumer surplus in free markets.

14、Suppose that the equilibrium price in the market for widgets is $5. If a law increased the minimum legal price for widgets to $6,
A、the resulting increase in consumer surplus would be larger than any possible loss of producer surplus.
B、the resulting increase in consumer surplus would be smaller than any possible loss of producer surplus.
C、any possible increase in producer surplus would be larger than the loss of consumer surplus.
D、any possible increase in producer surplus would be smaller than the loss of consumer surplus.

15、If a market is allowed to adjust freely to its equilibrium price and quantity, then an increase in demand will
A、increase producer surplus.
B、reduce producer surplus.
C、not affect producer surplus.
D、Any answer is possible.

16、Inefficiency can be caused in a market by the presence of
A、market power.
B、externalities.
C、imperfectly competitive markets.
D、All the answers are correct.

17、Market failure is the inability of
A、buyers to interact harmoniously with sellers in the market.
B、a market to establish an equilibrium price.
C、buyers to place a value on the good or service.
D、some unregulated markets to allocate resources efficiently

18、If the current allocation of resources in the market for hammers is inefficient, then it must be the case that
A、producer surplus exceeds consumer surplus in the market for hammers.
B、consumer surplus exceeds producer surplus in the market for hammers
C、the sum of consumer surplus and producer surplus could be increased by moving to a different allocation of resources.
D、the costs that sellers of hammers are incurring could be reduced by moving to a different allocation of resources.

19、Coffee and tea are substitutes. Bad weather that sharply reduces the coffee bean harvest would
A、increase consumer surplus in the market for coffee and decrease producer surplus in the market for tea.
B、increase consumer surplus in the market for coffee and increase producer surplus in the market for tea.
C、decrease consumer surplus in the market for coffee and increase producer surplus in the market for tea.
D、decrease consumer surplus in the market for coffee and decrease producer surplus in the market for tea.

20、Many economists believe that restrictions against ticket scalping result in each of the following except
A、a smaller audience for cultural and sporting events.
B、shorter lines at cultural and sporting events.
C、less tax revenue for the state.
D、an increase in ticket prices.

21、Consumer surplus is the amount a buyer is willing to pay for a good minus the amount the buyer actually has to pay for it.

22、Consumer surplus measures the benefit to buyers of participating in a market.

23、Consumer surplus can be measured as the area between the demand curve and the equilibrium price.

24、Consumer surplus can be measured as the area between the demand curve and the supply curve

25、All else equal, an increase in supply will cause an increase in consumer surplus

26、All else equal, an increase in demand will always increase consumer surplus

27、All else equal, an increase in demand will cause an increase in producer surplus

28、All else equal, a decrease in demand will cause an increase in producer surplus

29、The area below the price and above the supply curve measures the producer surplus in a market.

30、All else equal, a decrease in demand will cause an increase in producer surplus.

31、The area below the price and above the supply curve measures the producer surplus in a market

32、The area below the demand curve and above the supply curve measures the producer surplus in a market.

33、If the government imposes a binding price ceiling in a market, then the producer surplus in that market will increase.

34、The lower the price, the lower the producer surplus, all else equal.

35、Economists generally believe that, although there may be advantages to society from ticket-scalping, the costs to society of this activity outweigh the benefits.

36、Economists argue that restrictions against ticket scalping actually drive up the cost of many tickets.

37、Efficiency is related to the size of the economic pie, whereas equality is related to how the pie gets sliced and distributed

38、The current policy on kidney donation effectively sets a price ceiling of zero.

39、If a market is in equilibrium, then it is impossible for a social planner to raise economic welfare by increasing or decreasing the quantity of the good

40、Unless markets are perfectly competitive, they may fail to maximize the total benefits to buyers and sellers.

中国大学出版经济学

经济学是一门学科，它研究的是人类经济活动的规律性、发展趋势和问题解决方案等。随着全球化和市场化的深入发展，经济学已经成为当代社会最重要的学科之一。在经济学的研究和教育领域中，出版物是一种十分重要的学术传播方式，而中国大学出版社是中国高校中最大的出版机构之一，其在经济学领域的出版也十分活跃和丰富。

中国大学出版社在经济学领域的出版涵盖了多个子领域，如宏观经济学、微观经济学、产业经济学、国际贸易、金融学、会计学等，篇幅从简单的教科书到专业的学术著作都有涉及。比如，《宏观经济学》、《微观经济学》、《统计学》、《经济数学》等经济学教材，它们涵盖的知识面广泛，深入浅出，容易理解，成为了中国高校经济学专业的必修教材。

此外，中国大学出版社还出版了一系列经济学名著，包括了大量的西方经济学经典著作的中文版，如亚当·斯密的《国富论》、凯恩斯的《通货膨胀与货币紧缩》、马克思的《资本论》等，这些名著不仅为中文读者提供了优质的学习资源，而且也起到了推动中国经济学研究和发展的作用。

除了经济学教材和名著外，中国大学出版社还出版了大量的经济学专业著作，这些著作涵盖了经济学研究的前沿领域和热门话题，如经济学理论、贸易战、全球化、金融危机等。其中，有许多著作被认为是经济学界的重要贡献，例如，杨小凯的《经济增长与发展》，吴敬琏的《市场的智慧》等。

总的来说，中国大学出版社在经济学领域的出版物既注重基础教材的编写，也注重提高学术水平并推动中国经济学的发展。未来，随着经济学研究的深入和经济环境的变化，中国大学出版社将继续发挥其在中国经济学领域的重要作用，出版更多更好的经济学著作，以促进中国经济学的繁荣和发展。