产业经济学（双语）答案2023

第四章测试

1.Market share is the firm’s percentage share of the market’s total sales revenue. It ranges from zero up to ( ) percent.
A:80 B:100 C:10000 D:1000
答案:B
2.

The HHI number can range from (  ) to （ ）。

A:

0, 5000

B:

0, 10000

C:

1000,1000

D:

100,100

3.Vertical merger involves firms that produce at ( ) of production in the same industry.
A:market extensions B:same stages C:different stages D:unrelated stages 4.The motives for merger are （ ）。
A:market power B:risk reduction C:reduce entry barriers D:financial motives 5.Static or structural barriers to entry include （ ）。
A:absolute cost advantages B:capital costs C:product differentiation D:economies of scale 6.A too-broad definition includes too many firms, with the result that reported measures of market power tend to be biased downward.
A:对 B:错 7.Entry and exit conditions are important determinants of existing firms’ market power.
A:错 B:对 8.Firms within the industry have control over structural barriers to entry
A:错 B:对 9.Behavioral or strategic barriers to entry are those existing firms might deliberately behave in ways that decreased the probability of entry by other firms
A:对 B:错 10.Established firms has absolute cost advantages over potential entrants.
A:错 B:对 11.Product differentiation creates an advantage for established firms relative to newcomers.
A:错 B:对 12.Expecting profitability is an incentives to enter
A:错 B:对 13.Any cost that a firm must incur to leave an industry is an exit barrier ,which is generally thought of as some type of marginal cost.
A:对 B:错 14.Industries with high rates of entry tend to have high rates of exit
A:对 B:错 15.Each source of entry barriers can also erect a barrier to exit by going firms.
A:错 B:对