The main difference between the short run and the long run is that
A)firms earn zero profits in the long run.
B)the long run always refers to a time period of one year or longer.
C)in the short run, some inputs are fixed and some are variable.
D)in the long run, all inputs are fixed.

Question

Quizplus · Accepted Answer

In the short run, some inputs (like capital) are fixed, meaning they cannot be adjusted quickly, while others (like labor) can be varied. In the long run, all inputs can be adjusted, allowing firms to fully adapt to changes in the market.

The Main Difference Between the Short Run and the Long