Each health care facility licensed under this chapter shall take any action consistent with the continued delivery of quality health care services that it deems appropriate to reduce, limit, or contain health care costs and improve the efficiency with which health care services are delivered to the citizens of this state. In furtherance of these goals, health care facilities licensed under this chapter may, to the extent not inconsistent with chapter 15 of this title, enter into agreements with other health care facilities, associations of health care facilities, suppliers, third-party payers, and/or agencies or branches of government providing, without limitation, for group planning, individual or group expenditure ceilings, allocation of services and/or specialties, and group purchasing and/or service sharing.