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Research

  • How Should Companies Fuel Word of Mouth?

    New research finds that offering a free tier or giving existing customers bonuses for making referrals—or a combination—can be effective, depending on the size of the audience and whether the project has a social aspect.

    A vintage illustration of women talking through a tube
  • Keeping a Close Eye on Local Governments’ Finances Can Improve How they Govern 

    Yale SOM’s Anya Nakhmurina found that fiscal monitoring policies, which require a state office to review local governments’ finances, boosted municipalities’ financial health and reduced corruption convictions of local officials.

    A city hall building
  • Study Finds Declaring Bankruptcy May Not Hurt Future Employment Prospects

    Hundreds of thousands of Americans declared bankruptcy during the Great Recession. A new study co-authored by Yale SOM’s Paul Goldsmith-Pinkham examines the effect on their employment prospects.

    A ladder emerging from a hole in a piece of paper
  • When Women Speak, Do People Listen?

    In a study of farming villages in Malawi, Yale SOM’s Mushfiq Mobarak and his colleagues found that women’s performance on communication tasks seemed to be hindered by how other people received their work.

    Mary Musa on her farm in Malawi in 2010.
  • Single Women Get Lower Returns from Housing Investments

    A new study from Yale SOM’s Kelly Shue and Paul Goldsmith-Pinkham finds that single women who buy and sell real estate lose out on an average of $1,600 per year.

    A for sale sign outside a house
  • New Outbreaks of Coronavirus Can Be Halted with Isolation Measures, According to Study

    Yale SOM’s Edward Kaplan used early reports out of Wuhan to evaluate the likely effectiveness of common tactics, such as isolation of patients and quarantine, in keeping the disease from spreading in new regions.

    A deserted train station in Wuhan, China, on January 23, 2020. Photo: Hector Retamal/AFP via Getty Images.
  • Study: Pharmaceutical Ads Drive Prescriptions—And Save Us All Money

    Yale SOM’s Michael Sinkinson found that fewer people get life-savings statins during primary season, when pharmaceutical ads are displaced by political ads.

    Illustration of a pharmaceutical ad on a TV
  • Study Suggests That Local Chinese Officials Manipulate GDP

    A study by Yale SOM’s Frank Zhang suggests that local Chinese governments often push through projects without long-term economic value, or fabricate numbers outright, in order to meet GDP targets.

    A construction worker in China
  • Surprise Billing for Out-of-Network Physicians Costs Billions

    After patients are treated at in-network hospitals, they often receive large, unexpected bills from out-of-network doctors. A new study finds that out-of-network charges from anesthesiologists, pathologists, radiologists, and assistant surgeons increase spending by $40 billion annually.

    Illustration of a hospital and a person reading a bill
  • Aspiring to Be the Next Silicon Valley? Think Twice

    A study by Yale SOM researchers suggests that when venture capital funding in a metropolitan area increases, industries with customers outside the region suffer and income inequality widens.

    Silicon Valley in evening