The U-form of organization is equivalent to the matrix form

The purpose of commodity buffer stocks is

(a) to moderate price fluctuations. (b) to raise commodity prices. (c) to encourage commodity substitution. (d) to guarantee national security.

Overfishing and extinction of species arise because of:

a. an abundance of natural resources. b. communist countries. c. the lack of incentive to take care of these species. d. private ownership of these resources. e. a high degree of economic freedom in all countries.