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.
The time has come: REAL ID will finally be implemented in less than one week, about 20 years after it was initially proposed.
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When Joe Biden was a US presidential candidate in 2019, he tweeted, “Trump doesn’t get the basics. He thinks his tariffs are being paid by China. Any freshman econ student could tell you that the American people are paying his tariffs.”
In June 2019, then-presidential candidate Joe Biden tweeted: “Trump doesn’t get the basics. He thinks his tariffs are being paid by China. Any freshman econ student could tell you that the American people are paying his tariffs.”
In June 2019, then-presidential candidate Joe Biden tweeted: “Trump doesn’t get the basics. He thinks his tariffs are being paid by China. Any freshman econ student could tell you that the American people are paying his tariffs.”
In the current era of artificial intelligence (AI) reshaping industries worldwide, integrating AI in healthcare, public policy, and business is paramount. Dr. Soroush Saghafian, the visionary founder and director of the Public Impact Analytics Science Lab (PIAS-Lab) at Harvard, is a key figure at this intersection. His pioneering work as a Harvard professor involves developing, integrating, and using appropriate analytical tools in operations research, management science, machine learning and big data, decision-making, statistics, AI, and related fields has profoundly impacted societal outcomes.
Large language models (LLMs) have brought about advances in artificial intelligence that few researchers thought possible before, at least so soon. ChatGPT set records for its fastest-growing user base in internet history a mere two months after its release to the public. Now there’s frequent talk about the inevitability of artificial general intelligence, where machines have the same types of abilities as humans. Before we get too excited though, we must be mindful of both what LLMs can’t do and what they do that is undesirable.
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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Analytics magazine showcases articles and research reports based on big data, AI, machine learning, data analytics and other new-age technologies.
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