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Research

  • Investors Care About ESG-Related News—When It Impacts Returns‌

    A new paper co-authored by Professor Edward Watts examines how retail investors weigh news about a public company’s environmental, social, and governance activity.

    A carbon removal plant in Reykjavik, Iceland
  • Settling the Debate on Whether Green Investing Pays ‌‌

    In a new study, Yale SOM’s Theis Jensen and his co-authors find that the return from green investments relative to brown ones is slightly negative—which is actually good news for the planet.

    A scale weighing climate-friendly investments against polluting ones
  • Swings in Building Permits Can Help Predict Financial Downturns‌

    Yale SOM’s Cameron LaPoint and his co-author painstakingly assembled a century of local building permits. Again and again, they found, peaks in the issuing of permits preceded periods of economic turmoil. ‌

    A home under construction in the Verona at Lake Las Vegas subdivision in Henderson, Nevada, in June 2024. 
  • When Cash Isn’t an Option, Consumers Lose Out

    Paper currency is associated with crime and tax avoidance, but low-income consumers often rely on it. New research from Yale SOM’s David Argente puts a figure on how much those consumers forfeit when governments ban cash payments.

    An Uber driver in Mexico in 2018.
  • Your Friends Have More Friends Than You—and That’s a Good Thing for Marketers and Public Health Officials

    In a new study, Professor Vineet Kumar and his co-authors offer two ways to seed interventions in social networks based on the “friendship paradox.”

    An illustration of people connected in a network
  • Why It’s Harder for Women Founders to Get Venture Capital Funding

    A new study co-authored by Yale SOM’s Heather Tookes shows that women are less likely to get funding compared to men with similar entrepreneurial history. One reason is that investors who have experienced a poor outcome from a woman-led startup shy away from other women founders—but benefitting from successes of women founders doesn’t lead them to invest more.

    An illustration showing a male investor being raised up by hands and money, while a women investor is getting less
  • Do Nudges Help Americans Save for Retirement? Not as Much as We Thought.

    Two decades ago, Prof. James Choi’s research suggested that automatic enrollment and escalation and could have a sizeable impact on savings. Now he and his co-authors have looked at these programs again and found that under real-world conditions, the effect on savings is much smaller than expected.

    An illustration of a piggy bank-shaped hot air balloon that can't get off the ground
  • When Do Ads Become Too Deceptive?

    Yale SOM’s Deborah Small and her co-authors examine how people judge the ethical acceptability of ads for charities, and find that they are much more bothered by artificiality than objectification or exaggeration—a finding with implications for advertisers of all kinds.

    An illustration of a camera crew shooting an ad with a cardboard cutout
  • Seeing Peer Ratings Pushes Professionals to Align Their Evaluations

    New research from Yale SOM’s Tristan Botelho reveals that even savvy professionals tend to defer to the ratings given by their peers who evaluated before them.

    An illustration of people lined up to select a star rating
  • Firms Aren’t Living Up to Their Diversity Claims

    A new paper co-authored by Professor Edward Watts finds that for many companies, actual diversity efforts bear little resemblance to the claims made in public disclosures. What’s more, funds from socially conscious investors flow more to firms that engage in this “diversity washing.”

    An illustration of a banner covered in colorful charts being hoisted in front of a corporate building