Unequal incomes can arise from:
a. discrimination

When you buy an automobile, you can prevent others from gaining any benefit simply by denying them access to the automobile. In this sense, an automobile is a(n)

a. exclusive good b. rival good c. public good d. merit good e. nonexclusive good

A carbon tax placed on coal would:

A. raise the costs of goods produced using coal, raising their price, and thus decreasing the quantity demanded of these goods. B. not affect emissions of greenhouse gases. C. shift the demand curve for coal to the right. D. make coal a more attractive form of energy.