微观经济,完全竞争市场问题,

题目

微观经济,完全竞争市场问题,
2)
Alex's Furniture Mart produces and sells tables in a perfectly competitive market.When Alex's Furniture Mart produces and sells 250 tables,its marginal cost is equal to $200,and AVC is rising.If the market price of tables is equal to $150,Alex's Furniture Mart should:
2)
____
A)
decrease its level of table production.
B)
increase its level of table production.
C)
continue producing 250 tables.
D)
raise the price of its tables.
3)
Figure 12.2 shows the cost structure of a firm in a perfectly competitive market.Suppose the current market price is $10 and the firm produces the profit maximizing output level.If the firm's total fixed cost increases due to a new government regulation,the firm should:
3)
______
A)
produce its current output level.
B)
increase its current output level.
C)
decrease its current output level.
D)
There is no sufficient information.

答案

当边际收益等于边际成本时,均衡点都位于边际成本曲线上.边际成本曲线上的任何一点都对应着一个价格和产量水平,当该价格由整个市场给定时,产量水平就是厂商要选择的最优值,所以边际成本曲线就是完全竞争厂商在短期情况下的供给曲线.