Which of the following is a short-run adjustment?
A) A firm hires six new workers.
B) Three new firms enter the computer chip industry.
C) A firm opens two new plants.
D) The number of farms in Kansas increases by 10%.
Ans) the correct option is A) A firm hires six new workers.
In the short-run firms are able to alter some, but not all, of
their factors of production. Entry of exit firms can be done in the
long run not in the short. The plant size of the firm is altered in
the long run.