The distinction between the long run and the short run for a firm is that:

Question

A.in the long run no inputs are fixed whereas in the short run at least input is fixed

 

B.in the long run all inputs are fixed whereas in the short run at least one input is fixed

 

C.in the long run no inputs are fixed whereas in the short run all inputs are fixed

 

D. in the long run all inputs are fixed whereas in the short run all inputs are variable

Answer 1

In the long run no inputs are fixed whereas in the short run at least one input is fixed.  In the long run, all inputs can be adjusted and therefore should not be considered fixed.  In the short run, many inputs are hard to change and are considered fixed.