Blue Cross, in effect, bought protection from competition — by agreeing to increase the amounts it would pay to certain hospitals to induce the hospitals to agree to the “most favored nation” clauses.
Blue Cross Blue Shield of Michigan, a nonprofit company, is by far the largest provider of commercial health insurance in Michigan, with revenue of more than $10 billion in 2009. It insures more than nine times as many Michigan residents as its next largest
Justice Dept. Sues Michigan Blue Cross Over Pricing Deals - NYTimes.com