The mechanism of pump-and-dump fraud is reasonably uncomplicated—artificially ginning up demand for a stock to raise the price before unloading a large quantity of it—but some of the most fundamental questions about such schemes have gone unanswered in research, making it more difficult for regulators to effectively protect investors. A group of researchers including Chicago Booth's Christian Leuz merged investor data with information on known pump-and-dumps to identify who participates in such fraud, and why. They find that not everyone who invests in pump-and-dumps is duped into doing it.
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Chicago Booth’s John R. Birge discusses manipulation in political prediction markets and other types of markets.
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It’s still difficult for retail investors to exert influence on the companies in their portfolios—for now.
Can Individual Investors Make Their Voices Heard?
The prestigious award from the American Finance Association recognizes top academics whose research has made a lasting impact on the finance field.
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At the Kilts Center’s annual Case Competition, a student team leveraged LLMs to create innovative product solutions for Microsoft.
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The Booth dean and professor (1939–2024) was an expert in microeconomics, strategy, and industrial organization and served in the US government.
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