The Five Forces Model illustrates the forces that determine the level of product differentiation and price competition in an industry.

Of the following, which is the least likely to be an example of substitute goods?

A) beer and pretzels B) margarine and butter C) beef and chicken D) tea and coffee

Which of the following would encourage economic growth through increases in the capital stock?

A) an increase in the profitability of new investment due to technological change B) an increase in household saving C) a decrease in the government deficit D) all of the above