Bubble tea promo incrementality analyzer - baseline on same-weekday averages over the four prior weeks to neutralize the weekday effect, net result computed as incremental cups x margin per cup minus store-funded give-away, cannibalized volume approximated from regulars' cups-per-order shift, and the "borrowed demand" verdict waits two weeks
Works with Claude / GPT-4 class
Bubble Tea ShopAdvanced
The most common fake conclusion in promo retrospectives is...