What are some of the main ways in which the economies of developing countries differ from one another?

Trade

A. allows a person to consume at a point outside his production possibilities frontier. B. limits a person's ability to produce goods and services on her own. C. must benefit both traders equally. D. is based on absolute advantage.

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