Parcel revenue was essentially flat on a volume decrease of 243 million pieces, or 12.1%. Strong demand for USPS Ground Advantage, the organization’s economy product with two-to-five day service standards, and price increase for package services (catalogs and other large printed media) helped offset revenue decreases in Priority Mail and Parcel Select services resulting from increased last-mile competition for e-commerce delivery, in-sourcing from major customers like Amazon, and the trend away from expedit ...