The department shall in its planning and review activities foster competition to promote cost efficiency, quality and access to care. The department shall encourage cooperative health care arrangements which focus on the health care needs of a health planning area and foster the prudent and economical control of the area's resources. The department shall also encourage innovations in the financing and delivery systems for clinically related health services that will promote economic behavior by consumers and providers of clinically related health services that leads to appropriate investment in, supply and use of health services.