Importance Medicaid is the largest health insurance program by enrollment in the US and
has an important role in financing care for eligible low-income adults, children, pregnant …

A recent literature has shown that when adoption of a treatment is staggered and average
treatment effects vary across groups and over time, difference-in-differences regression …

To estimate the dynamic effects of an absorbing treatment, researchers often use two-way
fixed effects regressions that include leads and lags of the treatment. We show that in …

This paper discusses two important limitations of the common practice of testing for
preexisting differences in trends (“pre-trends”) when using difference-in-differences and …

We use linked administrative data that combines the universe of California birth records,
hospitalizations, and death records with parental income from Internal Revenue Service tax …

Medicaid is integral to public health because it insures one in five Americans and half of the
nation's births. Nearly two-thirds of all Medicaid recipients are currently enrolled in a health …

A central question in the debate over privatized Medicare is whether increased government
payments to private Medicare Advantage (MA) plans generate lower premiums for …

We study insurers' use of prescription drug formularies to screen consumers in the ACA
Health Insurance exchanges. We begin by showing that exchange risk adjustment and …

Importance Administrative records indicate that more than half of the 80 million Medicaid
enrollees identify as belonging to a racial and ethnic minority group. Despite this, disparities …

US public health after covid-19: learning from the failures of the hollow state and racial
capitalism Page 1 US COVID-19 LESSONS US public health after covid-19: learning from the …