John Costello – The Conversation

A mourner pays tribute to the victims of the mass shooting at Sandy Hook Elementary School in Newtown, Conn., in December 2012. Lisa Wiltse/Corbis via Getty Images

July 28, 2025

School shootings leave lasting scars on local economies, research shows

Muzeeb Shaik, Indiana University; Adithya Pattabhiramaiah, Georgia Institute of Technology; John Costello, University of Notre Dame; Mike Palazzolo, University of California, Davis, and Shrihari Sridhar, Texas A&M University

People spend less on groceries, restaurants and public activities for months after a fatal school shooting − costing communities millions.

Science makes pleasure. Billy Burdette/EyeEm via Getty Images

May 12, 2022

Using ‘science’ to market cookies and other products meant for pleasure backfires with consumers

Rebecca Walker Reczek, The Ohio State University; Aviva Philipp-Muller, The Ohio State University, and John Costello, University of Notre Dame

New research found that consumers were less likely to buy a product associated with pleasure if marketers emphasized it was developed with science.

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