a. At free market equilibrium, Qd = Qs
5000 - P = 3P - 200
5000 + 200 = 3P + P
5200 = 4P
P = 5200/4 = $1300
Q = 5000 - 1300 = 3700 units.
b. With price charged $800,
Qd = 5000 - 800 = 4200 units would be demanded
Qs = 3 * 800 - 200 = 2200 units would be supplied.
Thus creating a shortage of 4200 - 2200 = 2000 units.
The equilibrium price would be $800 and the quantity would be 2200 units.
c.
Question 2. (10 points) Suppose the demand and supply curves for units of university credits are...
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