Health Affairs May 18, 2018
Spending on hospital care accounts for one-third of US health care expenditures, or $1.1 trillion—a sum that exceeds total medical spending for all health care goods and services in some other high-income countries.
While total spending on health care services is a product of how many services we use and how much we pay for each, most efforts to limit cost growth have focused primarily on reducing the delivery of unnecessary or low-value care; there has been relatively little attention given to reducing the level of prices. But higher prices—not necessarily higher rates of utilization—drive excess spending in the United States.
Accountable care organizations (ACOs) have been a major focus of delivery system reform, proposed as a way to promote...