Medicare influence on private insurance: good or ill?

Competitive Bidding : Cost Control : Credentialing : Economic Competition : Fee-for-Service Plans/economics : Insurance Coverage : Insurance, Health/economics : Insurance, Medigap/economics : Medicare/economics/organization & administration/trends : Organizational Culture : Patient Advocacy : Patient Participation : Program Evaluation : Reimbursement Mechanisms/trends : Relative Value Scales : United States