Expenditure vs. Price Index

Can health care productivity be increasing even as costs are rising so fast?  This may be the case.   One study by Aizcorbe and Nestoriak (2011) examines this phenomenon. “Using retrospective claims data for a sample of commercially insured patients, we find that, on average, expenditures to treat diseases rose 11% from 2003Q1 to 2005Q4 and…