In the short run, if average variable costs equal $6 and average total costs equal $10 and
A.$4
B.$400
C.16
D.1600
A.$4
B.$400
C.16
D.1600
A、$2.
B、$4.
C、$1,000.
D、$2,000.
B.averagefixedcost.
C.totalfixedcost.
D.totalvariablecost.
(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.
The average age for women to marry is between 18 and 25.25 tend to (1) when somewhat older. A church wedding often (2) the legal civil ceremony, and a large reception, which often involves (3) music and dancing, is held in the evening. Wedding traditions include (4) money on the bride's dress to represent future prosperity, the groom (5) the bride at her home, and the couple pulling on opposite (6) of a loaf of bread—whoever gets the largest piece will be (7) boss of the family. Honeymoons are a new tradition.
The principle (8) mutual support is valued in the Bulgarian family. The elderly are (9) cared for by their adult children. Unmarried adults live with their (10) and many newly married couples live with one set of parents (11) they are able to get housing of their own. Most families (12) urban areas live in apartments, which are in short
supply, while (13) in rural areas usually have their own houses. Many village houses (14) owned by families who live in urban areas, who use them_ (15) summer and weekend retreats, or for retired parents.
Most families in (16) areas do not have more than two children, while families in (17) areas tend to be larger. Grandparents play an important role in (18) care, particularly in urban areas, where most women work outside the (19) . Men of the younger generation have begun to help with household (20) , once considered only women's responsibility.
(1)
A、risk preferrer
B、risk-averse person
C、risk lover
D、risk-favorable person
A、participated
B、participating
C、participate
D、had participated
B.average fixed cost is rising.
C.marginal cost is at its minimum
D.average total cost is at its minimum
A.spending exceeds income
B.income exceeds spending
C.exports exceeds imports
D.none of the above
A.price
B.income levels
C.objectives of the firm
D.level of technology
A.Customer's ability to repay
B.Purpose of loan
C.Security available
D.Amount required
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