Unit pricing (i.e., displaying prices per unit of volume or weight) is deemed helpful for grocery shoppers. Many countries mandate that supermarkets provide unit prices. However, consumers only make limited use of unit pricing. Consumer advocates attribute this to the poor and inconsistent...

This paper uses a sample of approximately 60,000 US households to document fundamental basket size patterns across a range of retailer types (e.g. grocery stores, convenience stores, and warehouse clubs), and studies them in relation to retailer performance metrics (unit sales and dollar...