Advertising and MPR Efforts Tend to Work Equally Well, Therefore

Advertising and MPR efforts tend to work equally well, therefore

A) firms can choose one or the other, since they cost the same.
B) organizations have a financial incentive to shift resources from advertising into MPR.
C) companies can safely abandon other elements in the marketing communication mix.
D) their effects will cancel each other out if used simultaneously.
E) exposure levels are exactly the same among all media outlets.