News Room

A collection of press releases, audio content and media clips featuring INFORMS members and their research.

New Study Reveals Economic Ripple Effects of Mass Shootings on Local Businesses
News Release

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.

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New Research Reveals Concealed Carry ‘Shall Issue’ Laws Increase Handgun Purchases, While ‘Permitless Carry’ Shows No Effect
News Release

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.

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Items to Stock Up on Before Trump's Tariffs Take Effect
Media Coverage

With sweeping new tariffs on Chinese-made products set to take effect this summer, Americans are being urged to prepare for price hikes on everyday goods. President Donald Trump's reinstated trade policies are expected to affect a wide swath of consumer imports, including electronics, furniture, appliances, and baby gear. Retail experts are advising shoppers to act before the tariffs hit and prices rise.

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When Companies Favor Bullish Analysts on Calls, Bad News Often Follows

When Companies Favor Bullish Analysts on Calls, Bad News Often Follows

The Wall Street Journal, August 2, 2020

Beware of companies that disproportionately call on bullish analysts to speak during earnings conference calls. They tend to later reveal negative news that drives down their share price. That correlation—detailed in a recent study—can be valuable for investors, says Lauren Cohen, the L.E. Simmons professor in the finance and entrepreneurial management units at Harvard Business School, who co-wrote the study.

Bargaining and the Three-Way Transaction Defines the Daily Deal Market

Bargaining and the Three-Way Transaction Defines the Daily Deal Market

Science Codex, August 3, 2020

f you've ever taken advantage of a nice discount thanks to a promotion from Groupon or LivingSocial, you've tapped the power of the daily deal market yourself. You, the consumer, benefited from the prior bargaining that took place between that big online platform and the merchant, resulting in a lower price for you.

Professor Whose Alarming COVID-19 Predictions Sparked #WeAreUnited Movement Now More Optimistic

Professor Whose Alarming COVID-19 Predictions Sparked #WeAreUnited Movement Now More Optimistic

CBS Sports, August 3, 2020

The University of Illinois professor whose predicted alarming COVID-19 mortality rates for college football players wound up being the inspiration for a threatened Pac-12 players' boycott now has a much brighter outlook ahead of the 2020 season. In fact, Dr. Sheldon Jacobson now considers himself optimistic about college football being played amid a global pandemic.

Walters: Lottery Sales Jump During Pandemic

Walters: Lottery Sales Jump During Pandemic

Gazette Xtra, August 3, 2020

Many Wisconsin residents may have lost their jobs, had their pay or work hours cut, visited food pantries or worried about paying the rent because of the COVID-19 pandemic. But that didn’t stop them from buying lottery tickets in the first months of the health-care crisis. mState Department of Revenue figures show total lottery sales between March—when the state’s economy was locked down, mass layoffs and furloughs began, and we were told to stay home to “flatten” the COVID-19 curve—and June were up 12.3%.

Bubble vs. Baseball: Why Experts Say NBA is Safer Than MLB

Bubble vs. Baseball: Why Experts Say NBA is Safer Than MLB

WISN Channel 12, July 31, 2020

After two Saint Louis Cardinals players tested positive for coronavirus, which lead to the postponement of Friday's game at Miller Park, experts weighed in on how the NBA's COVID-19 plan seems to be working better than the MLB's. NBA players are currently sheltered within the Disney World bubble and not allowed to leave the facility or interact with people outside. 

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