All of the Following Are Problems That Remain to Be

question 95

Multiple Choice

All of the following are problems that remain to be solved in the United States with respect to air pollution except

• A) Dramatically reducing emissions from older power and industrial plants
• B) The current laws do not deal seriously with indoor air pollution.
• C) Enforcement of the Clean Air Act is too stringent.
• D) Airports are exempt from many air pollution regulations.
• E) Two-cycle engines need to be regulated more effectively.

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Definitions:

Average Costs

The total costs of production divided by the number of units produced, representing the cost per unit.

Returns To Scale

The change in output resulting from a proportional change in all inputs in the production process; can be increasing, constant, or decreasing.

Increasing Returns To Scale

See Economies of scale.

Economies Of Scale

Exist when average costs fall as output increases.