The keys to maintaining a broad differentiation strategy are:
A. to stress constant innovation to stay ahead of imitative rivals and to concentrate on a few differentiating features.
B. to charge a premium price that more than covers the extra costs of differentiating features and to convince customers to be brand loyal.
C. to out-innovate and out-advertise rivals.
D. to emphasize personalized customer service and to add as many differentiating features as possible.
E. to keep prices close to the average of all rivals and to spend heavily on new product R&D.
Answer: to stress constant innovation to stay ahead of imitative rivals and to concentrate on a few differentiating features.