The investigation will examine how the tech giant uses data from third-party sellers and how it decides the criteria for selling with the Prime label. “Any loss of competition is a loss for consumers and may result in them paying more for products, being offered lower quality products or having fewer choices.” As the investigation progresses, the CMA said it would seek to liaise with the European Commission, which has looked into similar concerns in the EU. The information collected is said to include the number of products ordered and shipped, the sellers’ marketplace revenue, the number of visits to the sellers’ offers, and the sellers’ past performance.