Most advertising profit arrives after the first 13 weeks

    24%

    immediate (week 1)

    18%

    carryover (wks 2-13)

    58%

    sustained (wk 14-2 yrs)

    Only 24% of advertising-generated profit arrives in the week of the ad, and 18% more in weeks 2-13. The remaining 58% comes from sustained effects between week 14 and two years.