I estimate the welfare, both gross and net, provided by the Medicare managed care program in 1999 through 2002. First, I estimate a model of demand for the benefits offered by managed care plans to Medicare beneficiaries. I then use the demand estimates to form estimates of welfare provided by...

Disease‐based medical care expenditure indexes are currently of interest to measurement economists and have been the subject of several recent papers. These papers, however, produced widely different results for medical care inflation and also varied in the datasets and methods used, making...

I estimate the welfare provided by and net costs of the Medicare HMO program in 1999-2002. I measure welfare with a nested logit model of demand for Medicare HMO plans using detailed data on plan benefits. From this, I derive estimates of consumer surplus and find that total welfare provided by...

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...

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...