The variables that determine a household's budget line are

What are the factors that cause a producer's average cost per unit to fall as output rises called?

(A) Licenses (B) Franchises (C) Patents (D) Economies of scale

One likely result of monopoly power is

a. a wide variety of substitute products from which consumers can choose b. an elimination of barriers to industry entry c. a decline in government regulation d. a higher price than would exist in a competitive industry e. an improvement in allocative efficiency