Lailara Promo Incrementality

Event Anatomy

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PRE-0100

COSTCO · CHP-SB-009 · endcap · 6.9% off · 3 weeks · 2025-06-21 to 2025-07-05 · scan_based

Where the promoted volume came from

Units over the promo weeks, Method 1 baseline. The middle bar is volume that would have sold anyway; only the last bar is caused by the promo.

110Gross promoted67− Subsidized baseline43= Net incremental

Gross promoted volume minus the subsidized baseline the estimator would have expected leaves net incremental lift. Dip (pantry-load) and transfer (cannibalization) are not shown — a blind estimator cannot see them; they arrive as their own bars in the next method arc.

Net incremental margin
$75
Accrued trade cost
$19
Return on spend
4.00×
Giveaway share
60%
How wrong is this estimate? The error against known truth lives in the accuracy view — never on this page. →