4.7 Deconstructing the impact
of promotions
The illusion of growth
In 2024, 73% of all categories tracked by Worldpanel Vietnam recorded more trips purchased under promotions compared to the year before. But not all promotions will drive more traffic or occasions. Only 40% of these categories recorded an uptick in total trips, despite promotions bringing short-term value growth.
For example, a promotion might lead to a significant sales uplift for a particular SKU. Let's say a SKU typically sells 500 units per week in a specific retail outlet. During a promotion week, sales may jump to 700 units, indicating a 200-unit uplift. While this may seem like a success, this uplift may not be entirely incremental.
A portion of this uplift may come from "decremental sales" – sales that would have occurred regardless of the promotion. These include: