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.

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.

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.

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.

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.

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. 

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.