The Administrator of the Oklahoma Health Care Authority shall be the chief executive officer of the Authority. The powers and duties of the Administrator shall includes (among other things): but not be limited to: Establishment of a contract bidding process which encourages competition among entities contracting with the Authority for state-purchased and state-subsidized health care; provided, however, the Authority may make patient volume adjustments to any managed care plan whose prime contractor is a state-sponsored, nationally accredited medical school. The Authority may also make education or research supplemental payments to state-sponsored, nationally accredited medical schools based on the level of participation in any managed care plan by managed care plan participants.