What is the marginal net benefit of producing the twentieth unit?No. units producedTotal RevenueTotal Costs000101204020200100302701704031026050330370

If Tom can wax a car in fewer hours than Jerry, then Tom definitely has

A) a comparative advantage in car waxing. B) an absolute advantage in car waxing. C) both a comparative and an absolute advantage in car waxing. D) neither a comparative nor an absolute advantage in car waxing. E) an undetermined advantage because we do not know how long it takes Tom and Jerry to wash a car.

When the Environmental Protection Agency (EPA) assigns one emission standard to a particular group of plants, this is called

a. monopoly b. positive externalities c. a pollution compensation tax d. the bubble concept e. a municipal ordinance