Macroeconomics – Fall 2015 – Problem Set #1
Anh Le
Econ120
September 17, 2015
Short Answer
1) Figure 4.22 shows the market for
macaroni:
Figure 4.22
(a) What is the equilibrium price and quantity?
The equilibrium price is the price at which the quantity of a product offered is equal to the
quantity of the product in demand.
Equilibrium quantity is simultaneously equal to both the quantity demanded and quantity
supplied.
(b) At what price shown on the graph would there be a shortage for macaroni? What would be
the size of this shortage?