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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At the 2018 World Cup, the Brazilian team's star player has been criticized for his theatrics, in particular his repeated episodes of writhing on the ground claiming injury and fouls. But how did this effect his team's overall performance? Here is a break down of how often he 'flopped' and for how long, and the overall impact.
The annual federal report on toxic material emissions from industrial sites across the country gains widespread media attention and serves as a reminder of the potential environmental impacts of industrial activities. But do federal regulators actually persuade companies to abandon toxic chemicals by simply highlighting that information? The answer appears to be yes, according to a study in the INFORMS journal Manufacturing & Service Operations Management.
CATONSVILLE, MD, July 11, 2018 – Anyone who shops online is familiar with those ‘top-rated’ products or services that rise to the top of their search on e-commerce intermediary sites like Amazon or Expedia. So, do those rankings really help those products or services get sold?
To ensure the increasing popularity of e-books did not undermine the success of their printed counterparts, publishers frequently delayed the digital publication date for several weeks after the print edition has been released. However, new research in the INFORMS journal Management Science found that delaying the sale of the e-version of a new book does not lead to increased print sales, and can result in significantly fewer e-book sales once the digital version is made available.
Research in INFORMS journal Management Science indicates that publishers who tried to manipulate readers into buying paper books over eBooks, only managed to drive their eBooks sales down.
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