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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The Institute for Operations Research and the Management Sciences (INFORMS®) today announced that Baxter Healthcare is the winner of the INFORMS Decision Analysis Society Practice Award.
SAN DIEGO, CA, October 6, 2009 – Although many focused hospitals deliver better and faster services in cardiac care and other specialties, a paper being presented at the annual meeting of the Institute for Operations Research and the Management Sciences (INFORMS®) maintains that these hospitals cherry-pick patients to achieve these results, and that average patients actually receive worse care.
HANOVER, MD, June 15, 2009 – An online decision tool created in part by a graduate student at the University of California Irvine helps men diagnosed with prostate cancer sort through an intimidating flurry of possible treatments and customize treatment plans of their own, according to a study in the current issue of Interfaces, a journal of the Institute for Operations Research and the Management Sciences (INFORMS®).
Hanover, MD, August 28, 2007 – A study about predicting the outcome of actual conflicts found that the forecasts of experts who use their unaided judgment are little better than those of novices, according to a new study in a publication of the Institute for Operations Research and the Management Sciences (INFORMS®).
SAN DIEGO, CA, October 1, 2009 – University of California San Diego Adjunct Professor Harry M. Markowitz, whose seminal work in portfolio theory led to his receiving the John von Neumann Theory Prize in 1989 and the Nobel Prize in Economics the following year, will discuss the current economic crisis and recommended solutions at the annual meeting of the Institute for Operations Research and the Management Sciences (INFORMS®).
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