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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From sports teams to political candidates, when your side loses it can be painful. An upcoming study in the INFORMS journal Management Science finds that this pain can be lessened if you bet against your team or candidate, though feelings of disloyalty may prevent many from doing so.
A new editorial by Arnie Greenland, PhD, CAP, Professor of the Practice at the Robert H. Smith School of Business at the University of Maryland, College Park, explores the foundation for the creation of the CAP certification program, it's growing recognition among employers, and provides a sneak peek at what to expect when taking the exam.
CATONSVILLE, MD, October 11, 2016 – As search advertising gains share in advertising budgets, the decision on which keywords to bid on has gained in importance among marketers – both big and small. An often debated question is: Should marketers prioritize advertising on the last keyword or the first keyword that a customer searched that led to clicks and sales? There is no obvious answer to the question.
INFORMS, the leading international association for professionals in operations research and analytics, is accepting now applications for the 45th annual Franz Edelman Award for Achievements in Operations Research and Management Science, the world’s most prestigious award for achievement in analytics and operations research.
A Marketing Science study conducted by Yahoo! Research in partnership with a nationwide retailer explored the effects of online display advertising on both online and in-store purchases. The study authors found statistically significant evidence that the retailer ads increased sales 3.6% relative to the control group.
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