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【判断题】
太阳常数的常用单位为W/m²。
A.
正确
B.
错误
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参考答案:
举一反三
【单选题】For a firm in perfect competition, the profit maximizing output is 200 tons at a price of $600/ton. If the firm is minimizing the cost of resources, it is least likely that the:
A.
marginal product per unit of labor is 1/3 ton.
B.
marginal revenue product of capital is equal to the price of a unit of capital.
C.
ratio of the marginal output per labor unit to labor units employed is at a maximum.
【单选题】For a profit-maximizing firm, the price level equals its marginal revenue (MR) when ______.
A.
in an oligopolistic market.
B.
in a monopolistic situation.
C.
in a perfectly competitive market.
D.
sales rise with the increase in price level.
【单选题】At the profit-maximizing level of output:
A.
marginal profit equals zero.
B.
marginal profit is less than average profit.
C.
marginal profit exceeds average profit.
D.
marginal cost equals average cost.
【单选题】At the profit-maximizing level of output, marginal profit
A.
is also maximized
B.
is zero
C.
is positive
D.
is increasing
E.
may be positive, negative or zero
【判断题】电偶序和电动序反映的是腐蚀倾向,不能表示实际的腐蚀速度。
A.
正确
B.
错误
【单选题】For a profit-maximizing monopolist,
A.
P > MR = MC.
B.
P = MR = M
【简答题】A firm realizes that it is producing more than the profit maximizing level of output and makes a short-run decision to decrease its output. Which of the firm cost measures is least likely to decrease ...
【单选题】For a profit maximizing monopolist, price:
A.
equals marginal revenue.
B.
is less than marginal revenue.
C.
is greater than marginal revenue.
D.
can be greater than or less than marginal revenue.
【单选题】The profit maximizing output level is ___
A.
MC>MR
B.
MC=MR
C.
MC
D.
MC
【单选题】The monopoly firm's profit-maximizing price is:
A.
given by the point on the ATC curve for the profit-maximizing quantity.
B.
given by the point on the demand curve for the profit-maximizing quantity.
C.
determined for the quantity of output at which MR > MC by the greatest amount.
D.
found where MR > MC at the monopolist's profit-maximizing quantity of output.
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