边际成本曲线在平均可变成本以上的部分表明()
A.竞争性厂商的需求曲线
B.竞争性厂商的供给曲线
C.竞争性厂商在不同价格水平下将提供的产品数量
D.竞争性厂商的供给曲线和竞争性厂商在不同价格水平下将提供的产品数量都对
A.竞争性厂商的需求曲线
B.竞争性厂商的供给曲线
C.竞争性厂商在不同价格水平下将提供的产品数量
D.竞争性厂商的供给曲线和竞争性厂商在不同价格水平下将提供的产品数量都对
第2题
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.
第3题
对于生产函数
(1)推导出短期总成本、平均成本、平均可变成本及边际成本函数;
(2)证明:当短期平均成本最小时,短期平均成本和边际成本相等。
第4题
If the firm' s average cost curves are U-shaped, why does its average variable cost curve achieve its minimum at a lower level of output than the average total cost curve?
第10题
某公司的短期总成本函数由等式TC=200+55q给出,式中,TC为总成本; q为总产出数量;两者均以千计。
(1)该公司的固定成本是多少?
(2)如果该公司生产了100000单位的产品,它的平均可变成本是多少?
(3)其所生产的单位产品的边际成本是多少?
(4)其平均固定成本是多少?
(5)假定该公司通过贷款扩大生产规模,其固定成本增加5000美元,但其可变成本降至每1000单位产品45000美元,利率i也进入成本函数。利率每上升1%,成本增加3000美元。写出新的成本函数。
The short - run cost function of a company is given by the equation TC = 200 +55q, where TC is the total cost and q is the total quaintly of output ,both measured in thousands.
a. What is the company' s fixed cost?
b. If the company produced 100000 units of goods, what is its average variable cost?
c. What would be its marginal cost of production?
d. What would be its average fixed cost?
e. Suppose the company borrow money and expands its factory. Its fixed cost rises by
$ 50000, but its variable cost falls to $ 45000 per 1000 units. The cost of interest (i) also enters into the equation. Each one-point increase in the interest rate raises costs by $ 3000. Write the new cost equation.