firms to physicians and medical device procurement by hospitals. These payments (and the interactions that accompany them …) may facilitate the transfer of valuable information to and from physicians. However, they may also influence physicians …

Treatment intensity varies remarkably across physicians, yet the key drivers are not well understood. Meanwhile, the … organization of healthcare is undergoing a secular transformation as physicians increasingly work in groups. This paper tests … whether physicians' group affiliation matters for practice styles and patient health. Using Medicare inpatient claims data, we …

or not salient to physicians. We test how physicians respond to malpractice allegations made directly against them. Our … sample is Emergency Department physicians in Florida, where we have the universe of data on patients and how they are treated … along with a census of malpractice complaints. We find that physicians oversee 9% fewer discharges after malpractice …

General medical care in the United States has historically been provided by physicians who care for their patients in … both ambulatory and hospital settings. Care is now increasingly divided between physicians specializing in hospital care … (hospitalists) and ambulatory-based care primary care physicians. We develop and find strong empirical support for a theoretical …

, Medicare's regulatory externalities beyond fee-setting are less well understood. We study how physicians' outpatient surgery …. Specifically, physicians became 70% more likely to use ASCs for the policy-targeted procedure among their non-Medicare patients …

physicians now employed by hospitals. This trend toward increasing vertical alignment between physicians and hospitals may alter … physician behavior relative to physicians remaining in independent or group practices. We examine the effects of such vertical … increase in billable activity among other integrated physicians alongside a large decrease in activity among non …

practitioners, allowing them to practice without oversight from physicians. Physician groups have argued against this change, citing … practitioners. We find no evidence of such harm, and instead find that physicians may benefit from the law change in terms of …