超星出版经济学课后答案(学习通2023题目答案)

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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、超星出版When the government attempts to improve equality in an economy the result is 经济often
A、an increase in overall output in the economy.
B、学课习通additional government revenue since overall income will increase.
C、后答a reduction in equality.
D、案学a reduction in efficiency.

2、题目The答案 opportunity cost of an item is
A、the number of hours needed to earn money to buy the item.
B、超星出版what you give up to get that item.
C、经济usually less than the dollar value of the item.
D、学课习通the dollar value of the item.

3、后答The案学 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、题目an increase in the growth rate of the quantity of money will be accompanied by an increase in the unemployment rate.
C、答案policymakers are able to reduce the inflation rate and,超星出版 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.

学习通出版经济学

随着互联网技术的发展，数字化出版成为了一种趋势。学习通作为一个在线学习平台，不仅提供了丰富的课程资源，也开始尝试数字化出版。本文将介绍学习通出版经济学相关内容。

学习通出版经济学的背景

经济学是一个广受欢迎的学科，学习通也有不少经济学的课程。然而，传统的教材存在着一些问题，比如价格较高、不易更新等。数字化出版可以解决这些问题，使得教材更加便宜、更新更快。此外，数字化出版也可以提供更多的互动和多媒体内容，提高学生的学习效果。

学习通出版经济学的内容

学习通出版的经济学内容涵盖了微观经济学和宏观经济学两个方面。这些内容包括了经济学的基本概念、市场经济体制、经济学家的思想、经济增长等。这些内容不仅可以帮助学生掌握经济学的基础知识，也可以让学生了解经济学的实际应用。

除了基础知识外，学习通出版的经济学内容还包括了一些热门话题，比如环境经济学、创新经济学、金融经济学等。这些话题可以帮助学生了解经济学在实际应用中的一些特点和挑战。

学习通出版经济学的优点

学习通出版经济学的优点在于数字化出版的特点。首先，数字化出版可以让教材的价格更加便宜，让更多的学生可以轻松购买。其次，数字化出版可以让教材更加容易更新，保持内容的新鲜和时尚。此外，数字化出版可以提供更多互动和多媒体内容，增强学生的学习体验。

学习通出版经济学的挑战

学习通出版经济学面临的挑战主要来自于数字化出版本身。数字化出版需要使用先进的技术来保证内容的安全性和稳定性。此外，数字化出版也需要克服一些版权和知识产权的问题，保证出版的合法性。

学习通出版经济学的未来

学习通出版经济学的未来将会更加数字化、智能化和可定制化。未来的教材可能会使用更多的人工智能技术来提供更加智能化的学习体验。此外，教材也可能会更加可定制化，让学生可以根据自己的需要选择所需的内容。

结论

学习通出版经济学是数字化出版的一个典型案例。数字化出版可以带来更多的优点，但也需要克服一些挑战。未来数字化出版将会更加智能化、可定制化，为学生带来更加优质的学习体验。

学习通出版经济学

随着互联网技术的发展，数字化出版成为了一种趋势。学习通作为一个在线学习平台，不仅提供了丰富的课程资源，也开始尝试数字化出版。本文将介绍学习通出版经济学相关内容。

学习通出版经济学的背景

经济学是一个广受欢迎的学科，学习通也有不少经济学的课程。然而，传统的教材存在着一些问题，比如价格较高、不易更新等。数字化出版可以解决这些问题，使得教材更加便宜、更新更快。此外，数字化出版也可以提供更多的互动和多媒体内容，提高学生的学习效果。

学习通出版经济学的内容

学习通出版的经济学内容涵盖了微观经济学和宏观经济学两个方面。这些内容包括了经济学的基本概念、市场经济体制、经济学家的思想、经济增长等。这些内容不仅可以帮助学生掌握经济学的基础知识，也可以让学生了解经济学的实际应用。

除了基础知识外，学习通出版的经济学内容还包括了一些热门话题，比如环境经济学、创新经济学、金融经济学等。这些话题可以帮助学生了解经济学在实际应用中的一些特点和挑战。

学习通出版经济学的优点

学习通出版经济学的优点在于数字化出版的特点。首先，数字化出版可以让教材的价格更加便宜，让更多的学生可以轻松购买。其次，数字化出版可以让教材更加容易更新，保持内容的新鲜和时尚。此外，数字化出版可以提供更多互动和多媒体内容，增强学生的学习体验。

学习通出版经济学的挑战

学习通出版经济学面临的挑战主要来自于数字化出版本身。数字化出版需要使用先进的技术来保证内容的安全性和稳定性。此外，数字化出版也需要克服一些版权和知识产权的问题，保证出版的合法性。

学习通出版经济学的未来

学习通出版经济学的未来将会更加数字化、智能化和可定制化。未来的教材可能会使用更多的人工智能技术来提供更加智能化的学习体验。此外，教材也可能会更加可定制化，让学生可以根据自己的需要选择所需的内容。

结论

学习通出版经济学是数字化出版的一个典型案例。数字化出版可以带来更多的优点，但也需要克服一些挑战。未来数字化出版将会更加智能化、可定制化，为学生带来更加优质的学习体验。