Private insurance firms participating in Medicare can offer up to three principal plan types: coordinated care plans (CCPs), prescription drug plans (PDPs), and private fee for service (PFFS) plans. Firms can make entry and marketing decisions separately across plan types and geographic regions....

Since January 2006 all Medicare beneficiaries have been eligible to obtain outpatient prescription drug coverage through private stand-alone drug plans (PDPs). We estimate a model of beneficiary demand for PDPs and use it to compute the loss of consumer surplus due to tightening PDP formularies...

We use established methods and recent data to estimate the effects of changes in premium taxes and Medicaid eligibility on the likelihood of being covered by public or private insurance. We find Medicaid expansion for working adults will crowd-out private insurance at a high rate and that...

Growth in the number of days between an appointment request and the actual appointment reduces demand. Although such waiting times are relatively low in the US, current policy initiatives could cause them to increase. We estimate multiple-equation models of physician utilization and insurance...

Americans finance health care through a variety of private insurance plans and public programs. This organizational fragmentation could threaten continuity of care and adversely affect outcomes. Using a large sample of veterans who were eligible for mixtures of VA- and Medicare-financed care, we...