The widget industry is perfectly competitive. The industry demand and supply functions for widgets are given below.
Qd = 424 - 40P
Qs = 40 + 8P
a. What is the equilibrium price and quantity for the industry?
b. If the government establishes a price floor of $9, explain what will result in terms of excess demand or supply.
c. If the government establishes a price ceiling of $6, explain what will result in terms of excess demand or supply.