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  • Customer Data Can Reveal Revenue Fraud at Supplier Firms

    Yale SOM’s Frank Zhang and his co-authors used publicly available information from suppliers and customers to zero in on the firms that were more likely to be cooking the books.

    An illustration of an accountant looking at financial printouts with a magnifying glass
  • Short-Term Earnings Goals Drive More Pollution, Especially for Green Companies

    Yale SOM’s Frank Zhang and Jacob Thomas found that firms might increase their pollution when they’re struggling to meet earnings targets—and that firms with a history of environmental responsibility are most likely to engage in this pattern.

    An illustration of an anxious executive dropping garbage out the window into a lake
  • Requiring Short Seller Disclosure Could Distort Markets

    A study by Yale SOM's Frank Zhang suggests that requiring disclosures of short positions would lead some investors to make decisions based on others’ short positions, rather than information about a firm; this “herding” could drive stock prices away from their true value.

    A herd of water buffalo drinking at a water hole
  • 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
  • Three Questions: Prof. X. Frank Zhang on the Drop in Charitable Giving

    Adjusted for inflation, charitable giving in the United States fell by 1.7% in 2018, We asked Prof. X. Frank Zhang what explains the decline and how policymakers can encourage more giving.

    Albert Finney in the title role of the 1970 film "Scrooge." Photo: LMPC via Getty Images.