"A 1% increase in health care prices caused by a hospital merger lowers both payroll and the number of employees at firms outside the health sector by approximately 0.4%," according to the study.
By decreasing the demand for more-expensive acute care relative to outpatient care, cash benefits have the potential to save the health care system money, the study said.
Democratic Attorney General Charity Clark said CVS Health's Caremark, Cigna Group's Express Scripts and several of their affiliates pushed patients toward more-expensive drugs even when less-expensive alternatives were available.