Objective: To study how changes in insurance benefit design affect medication use of older adults with mental disorders.Data sources: US Medicare claims data from 2007 to 2018.Study Design: We focus on the gradual elimination of the Medicare prescription drug coverage gap beginning in 2011, and...

The COVID-19 pandemic led to an unprecedented level of job losses in the U.S., where a job loss is also associated with the loss of health insurance. This paper uses data from the 2020 Household Pulse Survey (HPS) and difference-in-difference (DD) regressions to estimate the effect of the...

"We seek to investigate whether managed health care can affect mortality, and if so, through which mechanisms. We estimate the impact of Medicare+Choice (M+C), Medicare's managed care program, on elderly mortality, using a county-level panel from 1993 to 2000. We control for endogenous M+C...