The long run is often referred to as the

Question

Quizplus · Accepted Answer

The long run is a planning horizon in which all inputs can be varied. It is a period of time in which firms can adjust all of their inputs to achieve their desired level of production. Therefore, option A is the best choice. Option B is incorrect because there is no such thing as a market horizon - it may be referring to a forecasted period of market growth, but that is irrelevant to the definition of the long run. Option C is incorrect because the definition of the long run explicitly states that all inputs can be adjusted, so there is no fixed input. Therefore, the best choice is A.

The Long Run Is Often Referred to as the