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Case Study

Great price perception, without the lowest prices

29th April 2026
Three minute read

A smarter way to deliver value

A grocery retailer competing against a strong low-price competitor used customer insight to refocus its price and promotions. Value perception was improved, without lowering prices across the board.

The highlights

The highlights

Drove sustained long-term sales growth

Matched price perception matched with low-cost competitor

Maintained a higher overall price index


Price cuts were failing to pay off

Despite investing millions into price reductions within core categories, one retailer found that its efforts weren’t resonating with customers. Rival retailers were also quick to match those price cuts, harming sales.

Data revealed what really mattered

Using customer data science, dunnhumby identified which products really mattered to the retailer’s most cost-sensitive customers. This helped to refocus price investments around those items specifically.

A value ecosystem was created

The same insights were used to build a “value ecosystem”. Rather than just cutting prices, the retailer invested in promotions, private label, assortment, and communications – creating a broader and more compelling proposition for customers.

Competitiveness and profitability were brought into balance

Data also enabled the retailer to reframe how success was defined. Gross margin dollars were prioritised over margin rate as a KPI. Satisfaction on customer promises was then tied to management bonuses.

A downward spiral was reversed

The impact of these changes was clear. Unit and sales growth recovered immediately, with visits and price perception trending from negative to positive over the course of just eight months.

Focused investments drive lasting change

Shoppers respond to clear, consistent value. When price investment is focused in the right places, it drives positive perception and long-term performance.


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