经济学原理（西⽅经经济学）期末考试题库Mankiw
Esntials of Economics
先生们女士们Test Bank
1.Multiple Choice
1)Economics deals primarily with the concept of( )
a)scarcity.
b)poverty.
c)change.
d)power.
2)Which of the following is NOT included in the decisions that every
society must make?( )
a)what goods will be produced
b)who will produce goods
c)what determines consumer preferences消费者的偏好
d)who will consume the goods
3) A rational decision maker takes an action only if the( )交通安全故事
a)marginal benefit is less than the marginal cost.
b)marginal benefit is greater than the marginal cost.
c)average benefit is greater than the average cost.
d)marginal benefit is greater than both the average cost and the marginal
cost.
4)Macroeconomics is the study of（）
a)individual decision makers.time clock
b)economic history.
c)economy-wide phenomena.
d)how firms maximize profit
5) A microeconomist might study each of the following EXCEPT( )
a)the effects of rent control on housing in New York City.
b)how a college student makes financial decisions.
c)how tariffs on shoes affects the shoe industry.
d)the effect on the economy when unemployment rates change.
6)The term market failure refers to( )
stacey kent
a) a situation in which the market on its own fails to allocate resources
efficiently.
b)an unsuccessful advertising campaign which reduces buyer demand.
c) a situation in which competition among firms becomes ruthless.
d) a firm which is forced out of business becau of loss.
7)Which of the following is an example of a normative 规范（主观）
statement?( )
a)If the price of a product decreas, quantity demanded increas.
b)Reducing tax rates on the wealthy would be good for the country.
c)If the national saving rate were to increa, so would the rate of economic growth.
d)All of the above are correct.
8)For each good produced in a market economy, demand and supply determine( )
a)the price of the good, but not the quantity.
b)the quantity of the good, but not the price.
c)both price and quantity.
d)neither price nor quantity is determined by demand and supply, becau prices are ultimately t by producers.
9) A higher price for batteries电池would tend to（）
a)increa the demand for flashlights.
b)increa the demand for electricity.
c)decrea the demand for electricity.
不定时工作制英文d)increa the demand for batteries
10)Two goods are complements if a decrea in the price of one good( )
a)increas the quantity demanded of the other good.
b)reduces the demand for the other good.
c)reduces the quantity demanded of the other good.
d)rais the demand for the other good.
11)If a shortage exists in a market we know that the actual price is( )
a)below equilibrium price and quantity demanded is greater than quantity supplied.
b)above equilibrium price and quantity demanded is greater than quantity supplied.
c)above equilibrium price and quantity supplied is greater than quantity demanded.
d)below equilibrium price and quantity supplied is greater than quantity demanded.
12)When the government prevents prices from adjusting naturally to supply and demand( )
a)it stabilizes the economy by reducing market uncertainties.
b)it adverly affects the allocation of resources.影响了资源的分配
c)the improvement in equity justifies the reduction in efficiency.
d)the improvement in efficiency justifies the reduction in equity.
13)Knowing that the demand for wheat is inelastic, if all farm voluntarily plowed under 10 percent of their wheat crop, then ( )
the day i dieda)consumers of wheat would buy more wheat.
b)wheat farmers would suffer a reduction in their revenue.
c)wheat farmers would increa their revenue.
d)the demand for wheat would decrea.
14)Suppo that a steel factory emits a certain amount of air pollution, which constitutes a negative externality. The social cost of producing the steel includes the( ) a)private costs of the steel producers and the price consumers pay for
the steel.
b)private costs of the steel producers and the costs to the bystanders
affected by the pollution.
c)costs to the bystanders effected by the pollution only.
d)price consumers pay for the steel.
15)The Tragedy of commons can be corrected by( )
a)providing more of the resource for public u.
b)assigning property rights to individuals.公地悲剧可以通过产权私⼈
化来解决
c)providing government subsidies for the resource.
d)making certain everyone in the economy has access to the resource
16)Which of the following is NOT true?( )
a)In the prence of a market failure, government action might not
improve on the market outcome becau sometimes public policies
simply reward the politically powerful.
b)In the prence of a market failure, government action might not
improve on the market outcome becau some leaders are not fully
informed about the effects of their actions.
c)In the prence of a market failure, government action can sometimes
improve on the market outcome.
d)In the prence of a market failure, government action will always
improve on the market outcome.
17)If an economy is producing efficiently( )
a)there is no way to produce more of one good without producing less
of the other.
b)it is possible to produce more of both goods.
c)it is possible to produce more of one good without producing less of
the other.关于网购的英语作文
d)it is not possible to produce more of one good at any cost.
18)The opportunity cost of obtaining more of one good is shown on the
production possibilities frontier as the( )
a)amount of the other good that must be given up.其他商品的数量需
要放弃
b)market price of the additional amount produced.
c)amount of resources that must be devoted to its production.
d)dnumber of dollars that must be spent to produce it.
When a firm is operating at an efficient scale( )
19)
a)average variable cost is minimized.
b)average fixed cost is minimized.
人际关系的重要性c)average total cost is minimized.
d)None of the above are correct.
Figure 1
20)According figure 1, on the production possibilities frontier shown, the
opportunity cost to the economy of getting 30 additional toothbrushes by moving from point A to point D is( )
a)10 toasters.
b)15 toasters.
c)20 toasters.
d)25 toasters.
eof21)When a profits-maximizing firm in a perfectly competitive market has
zero economic profit, accounting profit( )
a)is negative (accounting loss).
b)is positive.
c)is also zero.
d)could be positive, negative or zero
22)In the figure2 shown, the movement from point A to point B is a( )
a)shift of the curve.
b)change in preferences.
c)movement along the curve.因为是价格的变动，所以沿着曲线
d)All of the above are correct.
Figure 2
23)In the figure 3 shown, the movement from point B to point C is a( )
a)shift of the curve.
b)change in price. movement along the curve.
c)change in costs to the firm.
Figure 3
24)Two goods are substitutes if a decrea in the price of one good( )vrp
a)increas the demand for the other good.
b)reduces the demand for the other good.
c)reduces the quantity demanded of the other good.
d)increas the quantity demanded of the other good.
25)Two goods are complements if a decrea in the price of one good( )
a)increas the quantity demanded of the other good.
b)reduces the demand for the other good.
c)reduces the quantity demanded of the other good.
d)rais the demand for the other good.
26)If a decrea in income increas the demand for a good, then the good is( )
a) a substitute good.
b) a complement good.
c) a normal good.
d)an inferior good.
27)On the firgue3, the movement from D to D1 is called
a)an increa in demand.
b) a decrea in demand.
c) a decrea in quantity demanded.
d)an increa in quantity demanded.
28)Which of the following will definitely cau equilibrium quantity to fall?( )
a)demand increas and supply decreas
b)demand and supply both decrea
c)demand decreas and supply increas
d)demand and supply both increa
29)If the demand for a product increas, we would expect equilibrium price( )
a)to increa and equilibrium quantity to decrea.
b)to decrea and equilibrium quantity to increa.
c)and equilibrium quantity to both increa.
d)and equilibrium quantity to both decrea.
30)New cars are normal goods. What will happen to the equilibrium price of
