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题目
A.marginal cost is minimized
B.social welfare is compromised by overextended resources
C.marginal cost equals average fixed costs
D.marginal cost equals average total cost
更多“In the long run, all firms in a perfectly competitive industry will operate at the po”相关的问题
第1题
A.makes, run
B.made, run
C.make, running
D.making, running
第2题
A in the long run
B after all
C all too often
D for the time being
第3题
A.Ensuring an equal distribution of goods and services
B.Ensuring that resources are used in the most efficient manner
C.Ensuring that all industries will be perfectly competitive in the long run
D.Equating the marginal utilities of all goods consumed
第4题
A.Ensuring an equal distribution of goods and services
B.Ensuring that resources are used in the most efficient manner
C.Ensuring that all industries will be perfectly competitive in the long run
D.Equating the marginal utilities of all goods consumed
E.Equating level of purchases with level of needs
第5题
Your company has an Active Directory Domain Services (A D DS) domain. All servers run Windows Server 2008 R2.You provide access to some applications through a virtual desktop infrastructure (VDI) environment. All virtual desktop computers are located in an organizational unit (OU) named VirtualDesktops . All o ther client computer objects are located in an OU named Desktops.Many users experience long logon times when logging into virtual desktop computers due to large roaming profiles.You need to reduce the user logon times for virtual desktop computers.What should you do？（）
A.On each virtual desktop computer, set a disk quota on the system drive.
B.On each client computer, set the temporary folders option to not use session - specific temporary folders.
C.Create a Group Policy object (GPO) that enables folder red irection for all users. Enable loopback processing, and link the GPO to the VirtualDesktops OU.
D.Create a Group Policy object (GPO) that enables folder redirection for all users. Enable slow link detection, and link the GPO to the VirtualDesktops OU.
第6题
第7题
一个地区有若干家商店销售某种品牌的真空吸尘器。
(1)假如所有销售商要价相同，他们的长期经济利润是否都等于零？
(2)假如所有销售商要价相同，但是一家当地销售商的商店经营场所为他自己拥有的房子，不必付租金，这个销售商的经济利润为正吗？
(3)不必付租金的这家销售商是否有激励去降低其销售价格？
A certain brand of vacuum cleaners can be purchased from several local stores as well as from several catalogue or website sources.
a If all sellers charge the same price for the vacuum cleaner, will they all earn zero economic profit in the long run？
b. If all sellers charge the same price and one local seller owns the building in which he does business, paying no rent, is this seller earning a position economic profit？
e. Does the seller who pays no rent have an incentive to lower the price he charges for the vacuum cleaner？
第8题
假设某一特殊行业的信息如下:
QD=6500-100P市场需求
QS=1200P市场供给
C(q)=722+q2/200厂商总成本
MC(q)=2q/200
厂商边际成本
假定所有厂商完全同质，而且市场是完全竞争的。
(1)计算均衡价格、均衡产量、厂商供给产量和每家厂商的利润。
(2)在长期将有厂商进入还是退出市场？试解释。进入或退出将会对市场产生何种影响？
(3)在长期，每家企业销售其产品的最低价格为多少？利润是正的、负的还是为零？解释你的结论。
(4)在短期，每家企业销售其产品的最低价格为多少？利润是正的、负的还是为零？解释你的结论。
Suppose you are give the following information about a particular industry:
QD=6500-100P Market demand
QS=1200P Market supply
C(q)=722+q2/200 Firm total cost function
MC(q)=2q/200 Firm marginal cost function
Assume that all firms are identical and that the market is characterized by pure competition.
a. Find the equilibrium price, the equilibrium quantity, the output supplied by the firm, and the profit of each firm.
b. Would you expect to see entry into or exit from the industry in the long run？ Explain. What effect will entry or exit have on market equilibrium？
e. What is the lowest price at which each firm would sell its output in the long run？ Is profit positive, negative, or zero at this price？ Explain.
d. What is the lowest price at which each firm would sell its output in the short run？ Is profit positive, negative, or zero at this price？ Explain.
第9题
The market for manufactured goods is what economists call “imperfect, ” because each company has its own style, and its own reputation; and all of the arts of advertisement and salesmanship are devoted to making it even more imperfect by attracting buyers to particular brand names. Even small businesses that depend upon outside channels of retail distribution may have the final say in what prices they will charge, and great corporations can differentiate their goods in order to create demand for them.
In this type of market, supply normally is very elastic. In the long run, as well as in
the short, supply is responsive to demand in the market for manufactures. It is easier to change the composition of a firm's output than it is to change the production of a mine or a plantation. And when changes in demand are not too rapid, gross profits from one plant can be siphoned off (抽走、转移钱)and invested in something quite different. When business is good, moreover, there is continual new investment so that productive capacity is adapted to meeting changing requirements. Workers themselves may not even be aware of changes in the final commodities to which their work contributes, and the level of wages for any grade of factory labor is very little affected by the fortunes of a particular market.
第10题
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