A. Differentiated products.
B. A large number of consumers.
C. Significant barriers to entry.
D. A perfectly elastic firm demand curve.
In the following question you are asked to determine, other things equal, the effects of a
given change in a determinant of demand or supply for product X upon (1) the demand
(D) for, or supply (S) of, X; (2) the equilibrium price (P) of X; and (3) the equilibrium
quantity (Q) of X.
An increase in income, if X is a normal good, will:
A. increase D, increase P, and increase Q.
B. increase D, increase P, and decrease Q.
C. increase S, increase P, and increase Q.
D. decrease D, increase P, and increase Q.
Commercial banks, mutual fund companies, and securities firms are all part of the
_____ services industry.
A. government
B. economic