Research
‘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.
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.
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.
Study Shows Which Restrictions Prevent COVID-19 Fatalities—and Which Appear to Make Things Worse
New research from Yale SOM’s Heather Tookes and Matthew Spiegel finds that mask mandates, closing restaurants, and stay-at-home orders are all effective at saving lives, but other commonly used measures can actually worsen the spread of the pandemic.
No Matter What We Earn, We Believe Our Richer Neighbors Have More to Give
According to a new study co-authored by Yale SOM’s Gal Zauberman, people of a wide range of income levels believe that they are giving what they should to charity—but that even richer people have more spare income and a greater obligation to give.
What Can Smartphone Location Data Tell Us about the Pandemic?
Yale SOM’s Kevin Williams and his co-authors used cellphone location data to create a data set tracking movement during COVID-19, which is publicly available for researchers.
Testing Sewage Can Provide an Early Warning of COVID-19 Outbreaks
Earlier this year, a team of Yale researchers showed that the concentration of COVID-19 RNA in sewage mirrors the spread of the disease through a population. In a new study, they find that testing sewage can serve as an early indicator of an outbreak relative to hospitalizations.
Study Finds Hospital Desegregation Didn’t Improve Mortality Rate for Black Infants
Efforts in the late 1960s to desegregate hospitals in the American South did not significantly contribute to improvements in the Black infant mortality rate, finds a new study co-authored by Dean Kerwin Charles.
During the COVID-19 Crash, Investors’ Beliefs Didn’t Match Their Behavior
Despite a general wave of pessimism following the COVID-19 stock crash in March, few investors made significant changes to their portfolios, according to new research from Yale SOM’s Stefano Giglio.
Can We Protect Our Election from the Bots?
More than 50,000 Russia-linked bots were active on Twitter during the 2016 election. Are they back? We talked with Prof. Tauhid Zaman, who has carried out a series of studies identifying bot networks and assessing their impact.