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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MALVERN, Pa. — Penn State Great Valley graduate students Scott Clayman and Devendra Jaiswal recently had an opportunity not many master’s students have: presenting their research at a national conference.
CATONSVILLE, MD, December 13, 2019 – With the popularity of online shopping, it’s no secret brick-and-mortar stores are fighting to stay relevant. Waiting area entertainment is one way they are standing out, because no one likes to wait. New research in the INFORMS journal Manufacturing & Service Operations Management says funding entertainment is no easy task, but one way to offset the price and increase customer experience and revenue is to work with, not against competitors.
CATONSVILLE, MD, December 11, 2019 – More isn’t always better. That’s what researchers say when it comes to transparency in the U.S. healthcare system. This research, forthcoming in the INFORMS journal Operations Research, finds that in the short-term, patients who know more about hospital quality is positive, but in the long-term, the benefits may not be what you might think.
You just clicked “place your order" to purchase your item and now you wait for the package to arrive at your door. You’re done with a few simple mouse clicks, but the work has just begun at UPS warehouses and distribution centers across the country. Especially during the holiday season.
What’s the right way to judge a school? Across the country, states and school districts have devised their own systems of letter grades and color-coded dashboards based on test scores and graduation rates. But arguably the most visible and influential school rating system in America comes from the nonprofit GreatSchools, whose 1-10 ratings appear in home listings on national real estate websites Zillow, Realtor.com, and Redfin. Forty-three million people visited GreatSchools’ site in 2018, the organization says; Zillow and its affiliated sites count more than 150 million unique visitors per month.
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