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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A new study to be published in the INFORMS journal Marketing Science found that when managers respond to online reviews it's possible that those responses could actually stimulate additional reviewing activity and an increased number of negative reviews.
When managers respond to online reviews they risk triggering a large number of negative reviews, says a new study in the INFORMS journal Marketing Science. When consumers believe their online reviews might have influence, they are more likely to engage in negative reviewing. In other words, if we think our comment may influence a specific company, we are more likely to write negatively about it.
A new study to be published in the INFORMS journal Marketing Science found that when managers respond to online reviews it’s possible that those responses could actually stimulate additional reviewing activity and an increased number of negative reviews.
New research from former INFORMS President Ed Kaplan and a colleague from Yale University updates a popular formula and calculator that runners past the age of 40 can use to determine how fast we can expect to slow down and provides us with reasonable, age-appropriate finishing-time targets for ourselves.
CATONSVILLE, MD, October 1, 2018 – A new study to be published in the INFORMS journal Marketing Science found that when managers respond to online reviews it’s possible that those responses could actually stimulate additional reviewing activity and an increased number of negative reviews.
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