The prime rate is a lagging indicator

Figure 6-2

illustrates the four possibilities of the structure of production and consumption for a good or service. In which case is the incentive of producers and consumers to economize the strongest?
a.
A
b.
B
c.
C
d.
D

In the United States, antitrust enforcement focuses on

A) the profitability of the leading firms in an industry. B) the degree of market concentration within a market. C) the average level of prices charged by firms. D) the price-cost margin of an industry.