States have increasingly outsourced the provision of Medicaid services to private managed
care plans. To ensure that plans maintain access to care, many states set network adequacy …

Medicare Advantage now covers twenty-eight million older adults, many of whom have
mental health needs. Enrollees are often restricted to providers who participate in a health …

Although hospital consolidation within markets has been well documented, consolidation
across markets has not, even though economic theory predicts—and evidence is emerging …

Nearly 40% of beneficiaries elect to access their Medicare benefits through Medicare
Advantage (MA), in which capitated private health insurers construct physician and hospital …

We study how inertia interacts with market power and adverse selection in managed
competition health insurance markets. We use consumer-level data to estimate a model of …

Medicaid managed care insurers play a crucial role in facilitating access to buprenorphine to
treat opioid use disorder. Using a novel set of provider directory and prescription claims …

The National Health Service was established in the United Kingdom in 1948 as a universal,
comprehensive service free at the point of delivery, which is publicly provided, funded, and …

Objective: Provider networks for mental health are narrower than for other medical
specialties. Providers' influence on access to care is potentially greater in Medicaid because …

Abstract Background The Medicare Advantage (MA) program is rapidly growing. Limited
evidence exists about the care experiences of MA beneficiaries with Alzheimer's Disease …

Provider networks in Medicaid Managed Care (MMC) play a crucial role in ensuring access
to buprenorphine, a highly effective treatment for opioid use disorder. Using a difference-in …