Research
Traditional Firms Get More Room to Innovate
A study of the Champagne market co-authored by Yale SOM’s Amandine Ody-Brasier suggests that other industry players are more likely to accept unconventional practices when they come from established firms.
![Champagne bottles on an automated assembly line]()
Study: Improved Video Game Technology Contributed to Decline in Work by Younger Men
Between the 2000s and the 2010s, weekly recreational computer use by men in their 20s rose by 2.7 hours; at the same time, working hours for this group dropped by 1.8 hours. A study co-authored by Yale SOM Dean Kerwin K. Charles concludes that improving technology caused much of the increase in gaming, and nearly half of the decline in working hours for young men.
![A young man wearing a headset playing a video game, seen from behind]()
What Separates the Ideas that Endure from Those That Fade?
For a study of the evolution of management concepts, Prof. Balázs Kovács and his co-author tracked keywords in 90 years of Harvard Business Review articles. Their conclusion: concepts get an initial boost from being similar to popular ideas, but need to distinguish themselves to last.
![A vintage photo of a horse race]()
How Big Investors Avoid Market Predators and Keep Trading Costs Low
Researchers have generally believed that as large institutional investors make bigger trades, their trading costs rise accordingly. Research from Yale SOM’s Tobias Moskowitz finds that they take a slow-and-steady approach to keep costs down and outsmart market predators.
![A lion and an elephant]()
Can Legalizing Cannabis Curb Deaths from Opioids?
A new study co-authored by Yale SOM’s Balázs Kovács uses new data to uncover a striking association: the more legal cannabis dispensaries there are in a given county, the fewer opioid overdoses.
![A cannabis shop in Leicester, Massachusetts, in November 2018, when the sale of recreational marijuana became legal in the state. Photo: Jessica Rinaldi/The Boston Globe via Getty Images.]()
How Firms Can Harness Internal Competition
A new study finds that pitting teams against each other is effective in clarifying the way forward. But once a decision is made about which path to pursue, everybody must rally around the chosen idea—and not look back.
![An illustration of a CEO watching two teams building structures]()
A Key Factor in Well-Being: Others’ Apparent Wealth
Money may not lead to happiness, but according to a new study co-authored by Yale SOM’s Michael Kraus, our perceived wealth and status relative to others does affect how happy we are.
![Two goldfish in separate bowls, one empty and one with toys and decorations]()
‘Snapshots’ of Migrants in Mexico Suggest U.S. Undocumented Population Is Much Larger than Previous Estimates
A new study from Yale SOM’s Edward Kaplan and Scott Rodilitz, making use of data on migrants who have returned to Mexico, suggests that there are an estimated 19.6 million undocumented immigrants in the United States.
![The U.S.-Mexico border in Southern California in April 2019. Photo: Mario Tama/Getty Images.]()
How Systems Thinking Can Help Stop Neglected Tropical Diseases
Despite being easy and inexpensive to treat, a group of common bacterial and parasitic infections kill hundreds of thousands of people in tropical countries each year. In a new paper, Yale SOM’s Teresa Chahine and her co-authors map the complex system of stakeholders surrounding the diseases and identify key leverage points for making progress.
![Students receiving a deworming treatment at a school in Rwanda.]()
Weakening Unions Can Lead to Gender Gap in Wages
In 2011, legislation in Wisconsin reduced the power of unions to negotiate teachers’ salaries. Within five years, male teachers started earning more than women did.
![Teachers protesting Wisconsin governor Scott Walker's proposal to eliminate collective bargaining for state workers, in 2010. Photo: Mark Hirsch/Getty Images.]()
