第四章单元测试
- Market share is the firm’s percentage share of the market’s total sales revenue. It ranges from zero up to ( ) percent.
The HHI number can range from ( ) to （ ）。
- Vertical merger involves firms that produce at ( ) of production in the same industry.
- The motives for merger are （ ）。
- Static or structural barriers to entry include （ ）。
- A too-broad definition includes too many firms, with the result that reported measures of market power tend to be biased downward.
- Entry and exit conditions are important determinants of existing firms’ market power.
- Firms within the industry have control over structural barriers to entry
- Behavioral or strategic barriers to entry are those existing firms might deliberately behave in ways that decreased the probability of entry by other firms
- Established firms has absolute cost advantages over potential entrants.
- Product differentiation creates an advantage for established firms relative to newcomers.
- Expecting profitability is an incentives to enter
- 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.
- Industries with high rates of entry tend to have high rates of exit
- Each source of entry barriers can also erect a barrier to exit by going firms.
A:1000 B:100 C:10000 D:80
答案:100
A:
0, 5000
B:100,100
C:0, 10000
D:1000,1000
A:same stages B:unrelated stages C:market extensions D:different stages
A:financial motives B:risk reduction C:reduce entry barriers D:market power
A:product differentiation B:economies of scale C:absolute cost advantages D:capital costs
A:对 B:错
A:对 B:错
A:错 B:对
A:对 B:错
A:错 B:对
A:对 B:错
A:对 B:错
A:错 B:对
A:对 B:错
A:错 B:对
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