Medical-care expenditures have been rising rapidly, accounting for almost one-fifth of GDP in 2009. In this study, we assess the sources of the rising medical-care expenditures in the commercial sector. We employ a novel framework for decomposing expenditure growth into four components at the...

This study introduces a new framework for measuring and analyzing medical-care expenditures. The framework focuses on expenditures at the disease level that are decomposed between price and utilization. We find that both price and utilization differences are important contributors to expenditure...

We study the degree to which greater physician concentration leads to higher service prices charged by physicians in the commercially insured medical care market. Using a database of physicians throughout the United States, we construct physician-firm concentration measures based on market...

This study assesses the impact of major health insurance reform in Massachusetts on the prices of services paid to physicians in the privately insured market. We estimate that the reform caused physician payments to increase at least 10.8 percentage points. This impact occurred while the...

This paper studies the impact of Medicare Part D on mortality for the population over the age of 65. We identify the effects of the reform using variation in drug coverage across counties before the reform was implemented. Studying mortality rates immediately before and after the reform, we find...

This study examines the impact of major health insurance reform on payments made in the health care sector. We study the prices of services paid to physicians in the privately insured market during the Massachusetts health care reform. The reform increased the number of insured individuals as...

Because the health sector makes up a large share of the U.S. economy, widespread price changes for medical services can impact overall inflation significantly. Cuts to public health-care spending spill over directly and indirectly to private spending. A recent estimate suggests the full effect...

The 2006 health-care reform in Massachusetts relied heavily on the private insurance market. Recent evidence shows that the reform boosted payments to physicians from private insurers by 13% relative to other areas. This increase began immediately before the reform became law, suggesting that...