What is the difference in the short run and the long run? In
the short run, A. at least one of the firm's inputs is fixed,
while in the long run, at least one of the firm's inputs is
variable. B. at least one of the firm's inputs is fixed, while in
the long run, the firm is either able to vary all its inputs,
adopt new technology, or change the size of its physical plant. C.
at least one...