In this paper, we explore the effects of primary care physician (PCP) practice competition on five distinct quality metrics directly tied to screening, follow-up care, and prescribing behavior under Medicare Part B. Controlling for physician, practice, and area characteristics as well as zip...

The recent final rule on Medicaid managed care establishes the minimum medical loss ratio (MLR) requirement for Medicaid managed care and contains several provisions to strengthen delivery and payment reforms and improve efficiency and quality of care. Accordingly, this research examines the...

In this study, we examine the effects of Medicaid managed care (MMC) on prenatal care utilization and infant health. We obtain separate estimates of the effect of primary care case management (PCCM) managed care programs and HMO managed care plans on prenatal care utilization, birth weight, and...

Increases in the activity of managed care organizations are likely to have a number of implications for the structure and functioning of the US health care market. One possibility is that increases in managed care activity may have 'spillover effects,' influencing the performance of the entire...

In this paper we estimate the returns associated with the provision of coronary artery bypass graft (CABG) surgery, by payer type (Medicare, HMO, etc.). Because reliable measures of prices and treatment costs are often unobserved, we seek to infer returns from hospital entry behavior. We...

We use data from the National Health Interview Surveys to measure the effects of the growth of Medicaid managed care on children. We examine both the probability that individual children were Medicaid-covered and their utilization of care. We find that managed care penetration has significant...

Leveraging the random assignment of over 50,000 Medicaid enrollees in New York, I present causal evidence that narrow networks are a blunt instrument for reducing health care spending. While narrower networks constrain spending, they do so by generating hassle costs that reduce quantity, with...

The objective of this study is to estimate the effects of competition for both Medicare and HMO patients on the quality decisions of hospitals in Southern California. We use discharge data from the State of California for the period 1989-1993. The outcome variables are the risk-adjusted hospital...

This study examined the effects of education, income, and wealth on medical care expenditures in two Medicare managed care plans. The study also sought to elucidate the pathways through which socioeconomic status (SES) affects expenditures, including preferences for health and medical care and...