在一般情况下,厂商得到的价格若低于()就停止营业。(上海财经大学2002研)
A.平均成本
B.平均可变成本
C.边际成本
D.平均固定成本
(1)填充下表中的空格。
(2)作图,在图上表示出边际成本、平均可变成本和平均总成本。(横轴表示产量,纵轴表示成本。)
a Fill in the blanks in the following table.
b. Draw a graph that shows marginal cost, average variable. cost, and average total cost, with cost on the vertical axis and quantity on the horizontal axis.
假设厂商成本为C(q)=16+4q2。
(1)求出平均成本、固定成本、可变成本、平均可变成本和平均固定成本。(提示:边际成本为MC =8q。)
(2)在图上画出成本、边际成本和平均可变成本曲线。
(3)求出最小化平均成本的产出水平。
(4)当价格在哪一区间时厂商产量为正?
(5)当价格在哪一区间时厂商利润为负?
(6)当价格在哪一区间时厂商利润为正?
Suppose the same firm's cost function is C(q)=16+4q.
a. Find variable cost, fixed cost, average cost average variable cost. and average fixed cost.(Hint: Marginal cast is given by MC =8q. )
b. Show the average cost, marginal cost, and average variable cost curves on a graph.
c. Find the output that minimizes average cost.
d. At what range of prices will the firm produce a positive output?
f.At what range of prices will the firm earn a positive profit.