【多选题】下列( )是利用了消费者剩余来获利的。
D.
电价根据用电量进行实时计价,每时每刻的电价可能都会不同
【单选题】When economies of scale exist:
A.
per unit production costs increase as output expands.
B.
per unit production costs decline as output expands.
C.
marginal cost must decrease as output expands.
D.
per unit production costs remain constant as output expands.
【单选题】Economies of scale occur when
A.
long-run average total costs rise as output increases.
B.
long-run average total costs fall as output increases.
C.
average fixed costs are falling.
D.
average fixed costs are constant.
【单选题】陈某,30岁。于23:00分娩一女婴,至次晨7:00未排尿,主诉下腹胀痛难忍,查体发现膀胱高度膨胀,对该产妇下列哪项不妥
【单选题】Economies of scale occur when the percentage increase in output
A.
exceeds the percentage increase in all inputs.
B.
is less than the percentage increase in all inputs.
C.
exceeds the percentage decrease in all inputs.
D.
is less than the percentage decrease in all inputs.
【单选题】When there are economies of scale in production:
A.
long-run average total cost declines as output expands.
B.
long-run average total cost increases as output expands.
C.
marginal cost increases as output expands.
D.
the marginal product of an input diminishes with increased utilization.
【单选题】陈某,30岁。于23:00分娩一女婴,至次晨7:00未排尿,主诉下腹胀痛难忍,查体发现膀胱高度膨胀,对该产妇的护理下列哪项不妥
【单选题】陈某,30岁。于23:00分娩一女婴,至次晨7:00未排尿,主诉下腹胀痛难忍,查体发现膀胱高度膨胀,对该产妇的护理下列哪项不妥
【单选题】When there are external economies of scale, an increase in the size of the market will
A.
increase the number of firms and lower the price per unit.
B.
increase the number of firms and raise the price per unit.
C.
decrease the number of firms and raise the price per unit.
D.
decrease the number of firms and lower the price per unit.
E.
not affect the number of firms, but will lower the price per unit.