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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With the Covid-19 virus disrupting the global economy, what is the effect on the international supply chain? In a pair of articles, MIT News examines core supply-chain issues, in terms of affected industries and the timing of unfolding interruptions.
At the Costco in Spokane Valley, Wash., the store is practicing social distancing by limiting how many customers can be in the store at one time. A line wrapped around the building Friday, March 20, 2020, but was moving so that the wait was only around 10-15 minutes. (Colin Mulvany/The Spokesman-Review via AP)
When asked how the coronavirus (COVID-19) pandemic is impacting patients in need of an organ transplant, Sridhar Tayur said there is good news and bad news on that front. Tayur is the Ford distinguished research chair and professor of operations management at Carnegie Mellon University’s Tepper School of Business, and he has been paying close attention to the subject of organ transplants during the current crisis.
On Friday morning, Matthew Johnson-Roberson sat at his office window in Ann Arbor, Michigan, looking out at his favorite restaurant gone dark. As cities and states rush to stem the spread of the coronavirus, restaurants across the country are closing doors to eat-in diners. “The economic impact is huge,” said Johnson-Roberson, an associate professor of engineering at the University of Michigan. “I’m really worried that these restaurants aren’t going to come back.”
As the number of coronavirus cases continues to climb statewide and across the country, the health care industry is bracing for a surge in demand of medical supplies.
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