Only large mergers must be reported to the US government, so many anticompetitive deals may effectively avoid antitrust scrutiny. This paper uses data from the dialysis industry to show that premerger notifications are essential to antitrust enforcement and that ensuing enforcement actions...

The COVID-19 pandemic has forced federal, state and local policymakers to respond by legislating, enacting, and enforcing social distancing policies. However, the impact of these policies on healthcare utilization in the United States has been largely unexplored. We examine the impact of...

In 1975, 50 year-old Americans could expect to live slightly longer than their European counterparts. By 2005, American life expectancy at that age has diverged substantially compared to Europe. We find that this growing longevity gap is primarily the symptom of real declines in the health of...