Discuss three major criticisms/drawbacks of managed care in Health Care Delivery Systems?

Please write a 4 to 6 (not including the reference page) page research paper discussing the questions below:

Discuss three major criticisms/drawbacks of managed care. Explain the major features of a consumer-driven health care plan (CDHP). Compare the difference between a managed care plan (HMO or PPO) and a CDHP plan in terms of choice of providers, covered benefit, and level of cost sharing. What feature(s) enable ACOs to control cost and improve quality of care?