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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CATONSVILLE, MD, December 16, 2016 – With travelers spending more than $278 billion on accommodations in the U.S. last year, hotel chains that explore creative new ways to engage customers have the potential to significantly increase their profits.
Every day millions of people rely on GPS to navigate to and from locations around the world. But what happens if you must frequently travel through an area that is accessed primarily by private roads, or you drive a vehicle that cannot safely navigate on certain routes?
According to a new study in the INFORMS journal Information Systems Research, even though online social platforms are offering several privacy controls to users, it depends on the user how to use them making privacy a debatable issue. Using data obtained from Facebook researchers tested the relationship between privacy controls and disclosure patterns of Facebook users based on two popular content-sharing activities: Wall posts and private messages. The study found people have different views on the value of privacy controls in managing disclosures, and therefore privacy dangers.
Deepak Agrawal, a doctoral student in industrial engineering, will be receiving two awards at the Institute of Operations Research and the Management Sciences (INFORMS) 2016 Annual Meeting in Nashville. Agrawal will be receiving the Judith Liebman Award and INFORMS Volunteer Service Award at the Meritorious Level. The awards were designed to recognize INFORMS members who have made exceptional and sustained contributions to their university’s INFORMS chapter.
A new study in the INFORMS journal Marketing Science found that leveraging psychological theories on sympathy when drafting a fundraising letter can increase donations by more than 300 percent.
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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