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  • 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.

    A transmission electron micrograph of SARS-CoV-2 virus particles. Courtesy of the National Institute of Allergy and Infectious Diseases.
  • 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.

    A black and white photo of a Black woman holding a newborn baby in a hospital ed
  • 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.

    A trader at the New York Stock Exchange on February 28, 2020. Photo: Johannes Eisele/AFP via Getty Images.
  • Video: Why You Should Care about Antitrust

    We asked Prof. Fiona Scott Morton, former chief economist for the Justice Department’s Antitrust Division and the founder of the Thurman Arnold Project at Yale, to explain why antitrust violations are bad for consumers and how the government can respond.

    An illustration of a man in top hat stealing coins from birds
  • Rational Order from ‘Irrational’ Actions

    Prof. Shyam Sunder outlines a strain of research, drawing on complexity theory, that suggests that outcomes of a social system can be rational even if its individual participants are not rational.

    A crowd of people.
  • 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.

    A photo illustration of legions of toy robots
  • Getting Corporate Diversity Programs Wrong

    Yale SOM leadership expert Jeffrey Sonnenfeld, who studied a previous wave of diversity initiatives, describes how such well-intentioned initiatives can go awry—and how to get them back on track.

    Protests sparked by the arrest of two Black men at a Starbucks location in Philadelphia in April 2018. Photo: Bastiaan Slabbers/NurPhoto via Getty Images.
  • The Art World in the Age of COVID

    COVID created a crisis for the art world when museums, galleries, and art fairs were closed down. Is there reason for hope about what will emerge after the pandemic ends?

    Visitors at the Whitney Museum of American Art in New York City in September 2020. Photo: Jeenah Moon/Bloomberg via Getty Images.
  • A Passionate Startup Pitch Is Powerful—But Can Be Misleading

    According to a new study co-authored by Yale SOM’s Song Ma, those with cheerful and enthusiastic presentations are more likely to get venture capital funding—and less likely to build successful ventures.

    An illustration of an entrepreneur leaping in the air and wearing pom-poms while presenting
  • In Defense of (Mathematical) Models

    Epidemiological models have played an influential role in governments’ responses to the COVID-19 pandemic. Yale SOM’s Edieal Pinker takes a look back at one of the most influential models and argues that such rigorous efforts at understanding the likely course of the disease, while imperfect, are critical to good decision making.

    A chart of ICU occupancy under various scenarios from Imperial College London