Firms that can effectively price discriminate can increase profitability when they
engage in:
A. predatory pricing.
B. limit pricing.
C. strategies that raises rivals’ costs.
D. Any of the statements associated with this question are correct.
A student in a managerial economics class calculated the four-firm concentration ratio
and HHI for industries A and B. What is the proper conclusion she can draw from the
following findings?
A. Industry B is a monopoly.
B. The market power of firms in industry A is greater than that in industry B.
C. C4 is higher for industry A while the HHI is higher for industry B. This inconsistency
must be due to a calculation error.
D. Neither industry is perfectly competitive.
A firm can produce two products with the cost function C(Q1, Q2) = 10 + 5Q1 + 5Q2 –
0.2Q1Q2. The firm enjoys: