Negotiations between manufacturers and large retailers to set prices this year end on Wednesday, March 1. Some large groups still refuse to cut corners. The stormy discussions predict further price increases, while inflation rebounded to 6.2% over one year in February, including 14.5% for food products alone. The explanations of Christian Jacquiau, economist specializing in trade and author of the book Behind the scenes of mass distributionEditions Albin Michel.