Why is it important to measure advertising effectiveness? What could be some of the shortcomings in the way that marketers measure ad effectiveness?

brands determine if their ads are hitting the mark with their audience

Explanation:

Advertising effectiveness helps brands determine if their ads are hitting the mark with their audience, and whether they're getting the best returns. This enables them to measure the strengths, weaknesses and ROI of specific campaigns, so they can adjust accordingly.

answer; according to the ( irs );

i guess you could put raise the economic balance