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How Shadow Banning Can Silently Shift Opinion Online

In a new study, Yale SOM’s Tauhid Zaman and Yen-Shao Chen show how a social media platform can shift users’ positions or increase overall polarization by selectively muting and amplifying posts in ways that appear neutral to an outside observer.

An illustration of shadowy figures moving among screens of phones and other devices
  • How to Build a Space Station

    Nanoracks, co-founded by Chris Cummins ’89, started as a niche startup that facilitated research on the International Space Station. Now it’s building a space station.

    A rendering of a space station in orbit
  • How Could the Lawsuit against Apple Shift the Smartphone Landscape?

    We asked Prof. Fiona Scott Morton, the former chief economist for the DOJ’s Antitrust Division, how a successful suit would change the devices and services available to consumers.

    iPhones on display
  • Is Uber Strangling the Restaurant Business?

    Restauranteurs are reporting increasing difficulty in attracting and retaining servers because apps like Uber and Lyft offer another option for entry-level workers. Yale SOM’s Jiwoong Shin and his co-authors took advantage of the sudden departure and return of ridesharing in Austin, Texas, to understand its effect on restaurants.

    Uber cars lined up at an airport
  • What Have the Bots Learned about Us?

    The emergence of generative AI has opened new possibilities for the mass creation and dissemination of misinformation. Are the major social media platforms ready? We talked to Prof. Tauhid Zaman, who studies how bots manipulate opinion on social networks.

    A closeup of a women's eye with a computer screen reflected in it
  • Is AI a Savior or a Peril—or Both?

    With applications of artificial intelligence spreading from the realm of data science to the apps at your fingertips, a day-long conference at the Yale School of Management considered how to unlock the technology’s positive potential while containing possibilities for misuse, misinformation, and labor-market mayhem.

    A wide angle of an auditorium with speakers on the stage
  • Can Industrial Policy Help Revive Struggling Regions?

    A new paper co-authored by Yale SOM’s Cameron LaPoint looks at an effort in 1980s Japan to narrow economic inequalities between geographic regions, in order to understand the potential impact of the similar U.S. CHIPS and Science Act, enacted in 2022.

    President Joe Biden with a quantum computer during a tour of an IBM facility in Poughkeepsie, New York, in 2022.
  • Can ChatGPT Accelerate Social Science Research? 

    Yale SOM’s Balázs Kovács and his co-authors spent years designing a computer-based method to measure “typicality.” In a new study, they found that ChatGPT could duplicate their results at a fraction of the cost.

    An illustration of researchers watching a robot write on a blackboard
  • The Israel-Hamas War Reveals the Fundamental Flaws of Social Media

    Yale SOM’s Jeffrey Sonnenfeld and Steven Tian write that the viral spread of anti-Semitic and Islamophobic content over the last two months has underlined the failure of social media platforms to control misinformation and hate—and the importance of truth in the face of propaganda.

    A man looking at his phone in front of a television showing scenes from the Israel-Hamas war.
  • What Went Wrong at OpenAI?

    Days after he was suddenly fired, CEO Sam Altman returned to OpenAI on November 21, and the board that removed him was overhauled. We asked leadership expert Jeffrey Sonnenfeld how the company’s structure and the performance of the board contributed to the chaos.

    Sam Altman
  • Imagining Future-Ready Infrastructure

    Our aging infrastructure isn’t ready for climate change. David Gilford ’07 explains how new resilient, technology-enabled infrastructure can help us thrive in an uncertain future.

    A photo illustration showing highways overlaid with electronic readouts