第十二章单元测试
- Product differentiation is associated with possible advantages for incumbent firms. These advantages include ( ):
Smart phone sellers attempt to differentiate their products in many ways, such as ( ):
In Hotelling’s spatial model, if there is only 1 store, the main street's length is 1 mile, so the monopolist should locate the store on ( ) mile from one end of the main street.
- In the spatial model of product differentiation, the Total Social Surplus (TSS) equals the total value of the N units sold to consumers in cases where all N consumers purchase exactly one unit of the good from one of n stores (NR) minus ( ):
- In the spatial model of product differentiation, total transportation costs depend on ( ):
- The two important characteristics of monopolistic competition are ( )
- Vertical differentiation refers to differences between brands based on different product characteristics but not on different overall quality.
- A McDonald’s Quarter Pounder is somewhat different from a Burger King Whopper or a Wendy’s Single, but the overall quality of the three burgers is similar. This is horizontal differentiation.
- In the spatial model of product differentiation, the socially optimal number of stores is the same number of stores that maximizes the monopolist’s profit.
According to first mover model in the product differentiation advantages theory, if the repeat purchases frequence is small, the risk-cost factor is small.
A:all of the above B:possible cost advantages for incumbents C:an increase in the capital barrier to entry D:increased economies of scale
答案:all of the above###possible cost advantages for incumbents###an increase in the capital barrier to entry###increased economies of scale
A:
chip brand
B:appearance
C:internal storage
D:battery life
A:
1/2
B:1/8
C:1/3
D:1/4
A:monopolist’s average costs B:total transportation costs C:the total variable costs of production (Nc) D:the fixed costs of building n stores (nF)
A:the transportation costs per unit of distance t. B:the total variable costs of production (Nc) C:the fixed costs of building n stores (nF) D:the number of stores n
A:high entry and exit barrier B:product differentiation C:product homogeneity D:easy entry and exit
A:对 B:错
A:对 B:错
A:对 B:错
A:错 B:对
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