Behavioral
Personal Finance: Popular Authors vs. Economists
Before teaching a personal finance course, Prof. James Choi dipped into some popular books on the topic. He found that much of what personal finance gurus suggest is at odds with economic research—but that they also have insights into human nature that are sometimes missing from economic analyses.

Sermons with Stories of Debt Can Help Churchgoers Stay Frugal
A recent study co-authored by Yale SOM’s Thomas Steffen and Brett Campbell found that when religious leaders gave sermons warning against excessive debt, areas with high church membership tended to have lower indebtedness.
How Social Media Rewards Misinformation
A majority of false stories are spread by a small number of frequent users, suggests a new study co-authored by Yale SOM’s Gizem Ceylan. But they can be taught to change their ways.
Taking a Disciplined Look at Irrational Investors
Prof. Nicholas Barberis applies a scientific eye to the irrational ways we form beliefs and how those beliefs collectively drive financial markets.
Smarter Ways to Look Ahead: Research-Based Suggestions for a Better 2023
We asked faculty from the Yale School of Management to put a scholarly lens on improving our personal and professional lives in the coming year.
Building Trust with the Algorithms in Our Lives
Consumers are wary of the recommendations made by algorithms. But according to new research co-authored by Yale SOM’s Taly Reich, showing that an algorithm can learn—that it improves over time—helps to resolve this distrust.
How to Give Better Gifts
Do your loved ones want their presents to be expensive or thoughtful? Do they want to be surprised or to get items from their wish lists? We asked Professor Nathan Novemsky, a psychologist and expert in consumer behavior, to explain some of the common mistakes that gift-givers make.
When Counting Calories, Words Are More Valuable than Pictures
A new study co-authored by Yale SOM’s Gal Zauberman finds that apps that track calories with a photo are appealing, but manually logging your meals is actually more effective. The results offer a cautionary tale about giving consumers what they think they want, he says.
How Does Inflation Change Consumer Behavior?
Inflation has put consumers in an anxious, angry mood, even as the economic data shows confounding bright spots. We asked Yale SOM’s Ravi Dhar how the perception of rising prices affects buying behavior, and how companies can respond.
How Grammy Wins and Losses Shape Artists’ Creative Trajectories
Prof. Balázs Kovács and his co-authors found that Grammy winners tend to branch out in new directions afterward—but nominees who don’t win become more creatively cautious.
Do Homebuyers’ Expectations Align with Reality?
People’s predictions of long-term home price growth were wildly optimistic in the early 2000s but have become more cautious since the Great Recession, according to a study co-authored by Robert Shiller of Yale SOM.