A 10% increase in state per capita public mental health spending for inpatient care leads to a 1.5% reduction in the number of jail inmates. In this context, public mental health spending includes total per capita expenditures by state mental health agencies for inpatient care, community programs, administrative costs, and research; as well as per capita spending for medications, and drug and alcohol programs. Public mental health spending by state mental health agencies in some states could include Medicaid spending for community mental health programs. The total expenditure can be divided into per capita public inpatient mental health spending . . .