“By charging distributors a second fee [of up to 3%] based on the product cost, GPOs appear to ‘double dip’ – collecting two product-based fees on the sale of a single product.”

— From a new position paper by the Health Industry Distributors Association critical of the fee structures of group purchasing organizations, “HIDA says GPOS were overpaid by $700 million in last 10 years,” pp. 1, 7.