Factors that tend to result in weak rivalry among competing sellers include

a. low buyer switching costs and low barriers to entry.
b. rapid growth in buyer demand, high buyer costs to switch brands, and so many industry rivals that any one company's actions have little impact on rivals' businesses.
c. weakly differentiated products among rival sellers.
d. rivals that are quite diverse in terms of their strategies, objectives, and countries of origin.
e. conditions where outsiders have recently acquired weak competitors and are trying to turn them into major contenders.

Ans: b. rapid growth in buyer demand, high buyer costs to switch brands, and so many industry rivals that any one company's actions have little impact on rivals' businesses.