

Marketing
John W. Berry Sr. Associate Professor of Marketing
Consumer behavior
Branding
Messaging
Study Finds
June 24, 2025
According to new research from the University of Notre Dame, “returnless returns” can boost customer loyalty, positive word-of-mouth, and future purchases. This policy allows customers to keep the products they want to return, but still get a refund.
Michiana Business News
June 23, 2025
Returnless returns can increase brand support by fostering goodwill, according to John Costello and Christopher Bechler, assistant professors of marketing at Notre Dame’s Mendoza College of Business.
phys.org
June 19, 2025
Returnless returns can increase brand support by fostering goodwill, according to John Costello and Christopher Bechler, assistant professors of marketing at Notre Dame's Mendoza College of Business.
Bearing Arms
June 11, 2025
The first large-scale empirical evidence that fatal school shootings can impact routine consumption behaviors like grocery shopping and dining out, “How Fatal 91ÊÓÆµ Shootings Impact a Community’s Consumption” is forthcoming in the Journal of Marketing Research from John Costello, assistant professor of marketing at Notre Dame’s Mendoza College of Business.
Bloomberg
July 29, 2024
In general, campaigns value money they can spend to pay staff and buy advertising over time spent volunteering, according to John Costello, an assistant professor of marketing at the University of Notre Dame who has studied the decision making of donors to charities and political groups.
The Food Tech
June 09, 2023
Así lo dieron a conocer investigadores con sede en Estados Unidos, en específico el autor del artículo John Costello, profesor asistente de marketing en la Universidad de Notre Dame, de dicho país.
Nutrition Insight
May 10, 2023
“We find that uptrend messaging can be used to encourage healthy behaviors that improve consumer quality of life,” lead author John Costello, assistant professor of marketing at the University of Notre Dame, US, tells NutritionInsight.
Management Today
April 20, 2023
In a new study, Walker and John Costello, assistant professor of marketing at the University of Notre Dame, found that consumers deemed these tactics to be marketing gimmicks, and the brands insincere.
The Wall Street Journal
April 17, 2023
“Companies and marketing firms spend a lot of time and money trying to come up with names, but they aren’t always aware that unconventional spellings may negatively impact customers’ initial perceptions of the brand or company,” says John Costello, an assistant professor at the University of Notre Dame’s Mendoza College of Business and one of the paper’s co-authors.
MediaPost (subscription)
March 14, 2023
John Costello, assistant professor of marketing at Notre Dame's Mendoza College of Business, isn't too sure.
ZME Science
March 13, 2023
The study was carried out by John Costello, assistant professor of marketing at Notre Dame’s Mendoza College of Business, along with Jesse Walker and Rebecca Walker Reczek from Ohio State University.
Fast Company
March 10, 2023
“Consumers perceive unconventionally spelled names as a persuasion tactic or a marketing gimmick, leading them to view the brand as less sincere,” lead researcher John Costello told Notre Dame News.
Cosmos Magazine
March 09, 2023
“We discreetly observed and recorded participants’ seltzer sampling choices to measure the impact of an unconventionally spelled brand name on real product choice,” says lead author John Costello, assistant professor of marketing at Notre Dame.