Considering the five stakeholders in health care: consumers, providers, payers, suppliers, and regulators – what role can each play in health care quality, and cost containment?

Considering the five stakeholders in health care: consumers, providers, payers, suppliers, and regulators – what role can each play in health care quality, and cost containment?
In your opinion, what health policy has had the greatest impact on health care in the United States? Why?
Frame some arguments for or against the policy of mandated minimum staffing ratios in the positive versus normative economic dichotomy.