BALTIMORE, MD, May 13, 2025 – As communities across the United States continue to confront the devastating toll of mass shootings, new research reveals a staggering economic dimension to these tragedies. A study published in the INFORMS journal Marketing Science finds that mass shootings cause an estimated $27 billion in annual lost revenue for U.S. retailers driven by sharp declines in foot traffic, reduced transaction volume and long-term store closures.
BALTIMORE, MD, May 13, 2025 – Researchers who took a close look at loosened concealed carry laws between 2010 and 2017 have found that “Shall Issue” regulations, which remove local authority discretion on the issuance of concealed carry gun permits, contribute to a significant increase in handgun purchases. At the same time, the researchers found that in states that adopted “Permitless Carry” policies, there was no noticeable change in gun purchases.
With sweeping new tariffs on Chinese-made products set to take effect this summer, Americans are being urged to prepare for price hikes on everyday goods. President Donald Trump's reinstated trade policies are expected to affect a wide swath of consumer imports, including electronics, furniture, appliances, and baby gear. Retail experts are advising shoppers to act before the tariffs hit and prices rise.
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The World Health Organization has declared the COVID-19 omicron variant a “variant of concern” — its most severe categorization of variants — but there’s still a lot we don’t know, including how current vaccines will react to it.
President Joe Biden convened a hybrid in-person and virtual roundtable with CEOs and leaders of major retailers, consumer products firms and grocers on Monday, Nov. 29, following the Thanksgiving holiday weekend. He held the meeting to hear ideas on how the federal government could continue to partner with the private sector to keep shelves stocked for American consumers.
While millions of Americans were enjoying Thanksgiving weekend with loved ones, health officials were sounding the alarm on a “heavily mutated” coronavirus variant emerging in South Africa.
It’s no secret that commuter travel choices change traffic patterns and times. On-demand service providers such as Uber and Lyft have been very successful at adapting their service offerings and price points to travelers’ needs and preferences. In the process, they sometimes generate trips that would otherwise not have been made; at other times they incentivize travelers to switch from traditional trains and buses to on-demand services; and in some cases they increase road traffic.
OR/MS Today is the INFORMS member magazine that shares the latest research and best practices in operations research, analytics and the management sciences.
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