Could stores be forced to reveal all to customers?

Supermarkets would be forced to tell their customers if they want them to 'pay more for less' under proposals designed to tackle 'shrinkflation'.

- This article, written by Diletta Acuti, Senior lecturer, University of Bath, and Monica Grosso & Marta Pizzetti, both of EM Lyon Business School, originally appeared in The Conversation.

The Liberal Democrats want government legislation amended to legally require large supermarkets to inform shoppers when the quantity of goods within a prepackaged product has decreased thereby increasing the price per unit of measurement.

Details of the changes would need to be attached or placed alongside the product for a 60-day period, according to the amendment tabled to the Product Regulation and Metrology Bill.

Digestive biscuits, butter, crisps and chocolate bars were among the items found to have decreased in size while their unit cost increased, according to 2024 research by Compare the Market.