combatting health care fraud. Between 2003 and 2017, Medicare spent $7.7 billion on 37.5 million regularly scheduled, non …-emergency ambulance rides for patients traveling to and from dialysis facilities, with dozens of lawsuits alleging that Medicare …, patients' health outcomes did not change, indicating that most rides were not medically necessary. Our results suggest that …

whether physicians' group affiliation matters for practice styles and patient health. Using Medicare inpatient claims data, we … who switch to groups that are less intensive. This change in Medicare spending largely stems from greater quantities of … care provided, with some evidence of a change in coding behavior. We do not detect a change in health outcomes, suggesting …

indigent patients through Medicaid and providing hospitals with supplemental payments through programs such as Medicaid …

Recent expansions of Medicaid eligibility have come with increased experimentation with enrollee cost-sharing. In this … paper, we exploit a discontinuous premium increase at the federal poverty level in Michigan's Medicaid expansion program to … results suggest healthier low-income individuals may be sensitive to even modest health insurance premiums, and that premiums …

What is inequality in health? Are economists' standard tools for measuring income inequality relevant or useful for … measuring it? Does income protect health and does income inequality endanger it? I discuss two different concepts of health …'s health is related to his or her status within a reference group as measured by income relative to the group mean. Income …

. Effects of Medicaid on health care utilization appear similar for those with and without pre-lottery diagnoses of chronic … physical health conditions. Thus, while Medicaid is an important determinant of access to care overall, it does not appear that … Medicaid alone has detectable effects on the management of several chronic physical health conditions, at least over the first …

satisfaction. Apart from a reduction in self-reported pain, we estimate precise null effects on mental and physical health …

A host of different factors affect health and longevity, ranging from genetic endowments to public policy. Physicians … have a substantial influence on patients' health and health-related costs, but we know little about the extent of this … influence beyond clinical decisions such as adequate diagnosis and treatment. This paper demonstrates that the health management …