Q. In 2001, box industry was perfectly competitive. lowest point on long-run average cost curve of each of identical box producers was $4 and this minimum point occurred at an output of 1,000 boxes per month.
Market demand curve for boxes was
QD = 14000-10,000P
Where P is price of a box (in dollars per box) and QD is quantity of boxes demanded per month. Market supply curve for boxes was
Qs = 80,000+5000P
Where Qs is quantity of boxes supplied per month.
A. Illustrate what is equilibrium price of box? Is this long-run equilibrium price?
B. Explain how many firms are in this industry when it is in long-run equilibrium?