【单选题】在单排行星齿轮机构中,如约束太阳轮,齿圈为主动元件,行星架为从动元件,那么两者旋转方向( )
【单选题】When a monopolist is able to sell its product at different prices to different customers, it is likely engaging in:
A.
quality-adjusted pricing.
C.
price differentiation.
【单选题】在单排行星齿轮机构中,如约束太阳轮,齿圈为主动元件,行星架为从动元件,那么两者旋转方向( )
【单选题】蒸发器控制阀损坏或调节不当,会造成( )。
【单选题】在单排行星齿轮机构中,如约束太阳轮,齿圈为主动元件,行星架为从动元件,那么两者旋转方向()。
【简答题】蒸发器控制阀损坏或调节不当,会造成( )
【单选题】If a monopolist could sell 5 units at $6 and 6 units at $5:
A.
marginal revenue for the 6th unit is $5.
B.
marginal revenue for the 6th unit is zero.
C.
demand is unit elastic over that range of prices.
D.
both (b) and (c) are true.
【单选题】For a single-price monopolist to sell one more unit of a good, it must
A.
lower the price on just the last unit sold.
B.
lower the price on all units sold.
C.
raise the price on just the last unit sold.
D.
raise the price on all units sold.
【单选题】An increase in a monopolist’s average cost will lead to
A.
an increase in price, as the monopolist passes on the price increase
B.
an increase in price only if marginal cost also increases
C.
a decrease in price as the monopolist needs to sell more in order to cover increased costs
D.
an increase in price only if the elasticity of demand is less than 1.0
【单选题】A monopolist that chooses price
A.
necessarily produces less than a monopolist that chooses quantity, hence the laws against price fixing.
B.
operates according to the Harvard tradition rather than the Chicago tradition.
C.
produces more than a monopolist that chooses quantity, thus the irony of laws against price fixing.
D.
produces the same amount as a monopolist that chooses quantity.