Which one of the following is not a characteristic of a perfectly competitive market?
a. Firms advertise in order to distinguish their products and increase market share.
b. Firms earn zero economic profit in the long run

Refer to Table 9-18. Looking at the table above, what is the rate of growth of real average hourly earnings from 2015 to 2016?

A) 7.8% B) 6.25% C) 4% D) -4%

An option premium is

A) paid by the short to the long as soon as the option is purchased. B) paid by the long to the short as soon as the option is purchased. C) paid by the long to the short when the option is exercised. D) paid by the short to the long when the option is exercised.