Medical Xpress February 24, 2025
A study recently published in Management Science examines the impact of stay-at-home orders implemented by U.S. counties in the early stages of the COVID-19 pandemic. Conducted by economists at Johns Hopkins Carey Business School, the research reveals that SHOs not only reduced mobility in counties where they were implemented but also had significant “spillover effects” in neighboring counties.
SHOs decreased mobility not only in their originating county, but also in geographically adjacent counties that had not yet implemented mobility restrictions. These spillover effects were substantial, with mobility in neighboring counties declining by about a third to a half as much as in the counties that implemented the SHOs.
“This result is important because it opens the possibility that a staggered...
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