title: Rate battle peaks as Advantage plans grow.
authors.forename: Bob
authors.initials: B
authors.lastname: Herman
authors.forename: Michael
authors.initials: M
authors.lastname: Sandler
mesh_terms: D004465:Economic Competition / Q000639:trends*; D007348:Insurance, Health / Q000191:economics*; D020398:Medicare Part C / Q000706:statistics & numerical data*; D014481:United States