Would an HMO entering the Medicare market expect to experience favorable or adverse selection? Would the magnitude of the selection bias be larger or smaller for an HMO entering the commercial employe

Would an HMO entering the Medicare market expect to experience favorable or adverse selection? Would the magnitude of the selection bias be larger or smaller for an HMO entering the commercial employee benefit market? The Medicaid market? In your response, please give specific reasons for your opinions and justify your point of view with examples and/or research.