Direct controls
A)have not been tried in practice, but work in theory.
B)have been the main instrument used by the United States when dealing with polluting activities.
C)achieve more success than pollution charges.
D)achieve more success than pollution allowances.

Question

Quizplus · Accepted Answer

Direct controls have been a common approach used by the United States to regulate polluting activities, often through regulations that limit emissions or require specific pollution control technologies.

Direct Controls