完全竞争行业的短期供给曲线()。
A.向右上方倾斜
B.向右下方倾斜
C.是一条水平线
D.以上都有可能
A.向右上方倾斜
B.向右下方倾斜
C.是一条水平线
D.以上都有可能
第3题
第4题
某完全竞争厂商的短期成本函数为STC=0.1Q3-2Q2+15Q+10。求:
(1)当市场价格为P=55时,厂商的短期均衡产量与利润。
(2)市场价格下降为多少时厂商必需停产?
(3)厂商的短期供给函数是多少?
第7题
使用与练习1相同的信息。
(1)推导厂商的短期供给曲线。(提示:画出成本曲线的基本形状。)
(2)假如市场中有100家相同的厂商,市场供给曲线是怎样的?
Use the same information as in Exercise 1.
a. Derive the firm's short - run supply curve. (Hint: You may want to plot the appropriate cost curves. )
b. If 100 identical firms are in the market, what is the industry supply curve?
第8题
下表显示了一个以常数边际成本10美元生产的垄断者面临的需求曲线。
(1)计算该厂商的边际收益曲线。
(2)该厂商的利润最大化产量和价格是多少?该厂商的利润为多少?
(3)在一竞争性行业中均衡价格和数量各为多少?
(4)如果该垄断者被迫以完全竞争的均衡价格生产,社会得益是什么?结果是谁获益谁受损?
The following table shows the demand curve facing a monopolist who produces at a constant marginal cost of $ 10.
a. Calculate the firm' s marginal revenue curve.
b. What are the firm's profit - maximizing output and price? What is its profit?
c. What would the equilibrium price and quantity be in a competitive industry?
d. What would the social gain be if this monopolist were forced to produce and price at the competitive equilibrium? Who would gain and lose as a result?