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Detemining equilibrium price and quantity of boxes

In 2001, the box industry was perfectly competitive. The lowest point on the long-run average cost curve of each of the identical box producers was $4, and this minimum point occurred at an output of 1,000 boxes per month. The market demand curve for boxes was

Qd = 140,000 - 10,000P

where P is the price of a box (in dollars per box) and Qd is the quantity of boxes demanded per month. The market supply curve for boxes was

Qs = 80,000 + 5,000P

where Qs is the quantity of boxes supplied per month.

a. What is the equilibrium price of a box? Is this the long-run equilibrium price?

b. How many firms are in this industry when it is in long-run equilibrium?

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a. What is the equilibrium price of a box? Is this the long-run equilibrium price?
For equilibrium ...

Solution Summary

Solution describes the steps for detemining equilibrium price and quantity for boxes. It studies whether it is long run equilibrium point.

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