Question : 21) Interdependence of firms most common in A) monopolistically competitive : 1387860

21) Interdependence of firms is most common in

A) monopolistically competitive industries.

B) monopolistic industries.

C) monopolistically competitive and oligopolistic industries.

D) oligopolistic industries.

22) Oligopolies exist and do not attract new rivals because

A) of competition.

B) of barriers to entry.

C) the firms keep profits and prices so low that no rivals are attracted.

D) there can be no product differentiation.

23) An example of a barrier to entry is

A) product differentiation.

B) high profits.

C) superior technological knowledge.

D) increasing marginal costs

24) Which of the following is important in determining the extent of competition in an industry?

A) the minimum level of short-run average total costs of production

B) the minimum efficient scale of production relative to market demand

C) whether or not the industry product is differentiated or standardized

D) the level of market demand for the industry’s product

25) Economies of scale can lead to an oligopolistic market structure because

A) if larger firms have lower costs, new small entrants will not be able to produce at the low costs achieved by the big established firms.

B) if economies of scale are insignificant, only a few firms are able to produce at the low costs achieved by the big established firms.

C) a few firms can force rivals to produce at low levels of output.

D) a few firms can use high profits to keep out new entrants.

26) A reason why there is more competition among restaurants than among large discount department stores is that restaurants

A) have to cater to a variety of consumer tastes while department stores do not.

B) unlike department stores, have to abide by government sanitation rules.

C) unlike department stores, do not have significant economies of scale.

D)  have more elastic demand for their product compared to department stores.

27) One reason why, in the last four decades, the number of new auto makers in the world has been very small compared to the past is that

A) the automobile cannot be improved upon in any way by new producers.

B) new auto makers cannot obtain necessary inputs to produce new cars.

C) governments restrict who can produce automobiles.

D) new producers cannot match the economies of scale of existing auto makers.

28) The DeBeers Company of South Africa was able to block competition through

A) economies of scale.

B) ownership of an essential input.

C) government-imposed barriers.

D) differentiating its product. 

29) Patents, tariffs and quotas are all examples of

A) government-imposed barriers.

B) economic regulations that increase efficiency.

C) entry barriers that improve a country’s standard of living.

D) entry barriers that protect consumers.

30) Which of the following is not necessarily a consequence of occupational licensing laws?

A) They restrict competition.

B) Consumers pay higher prices for the services of licensed professions.

C) They result in a higher quality of service.

D) They ensure that licensed professionals meet some minimum qualifications.