Bank of England Warns on Supermarket Dynamic Pricing

The Bank of England has cautioned that British consumers may soon encounter more frequent price fluctuations in supermarkets as retailers adopt electronic shelf labels that could enable dynamic pricing based on demand. This technology, already under trial or implementation by major chains, allows prices to adjust in real time using algorithms and artificial intelligence, potentially responding to factors like time of day, store traffic, or weather.

Dynamic pricing, which raises costs during peak demand, is not currently in use among UK supermarkets, according to available evidence. However, the central bank's survey indicates that about one-third of UK firms plan to introduce market-responsive pricing tools within the next year, up from one in five previously. These tools could replace fixed prices with ones that shift frequently, a shift facilitated by digital displays that drastically lower the costs of updating prices, known to economists as "menu costs."

Several leading supermarkets have begun rolling out electronic labels primarily for operational efficiency. The Co-operative Group has installed them in more than 700 stores and aims to expand to all 2,300 outlets this year,...