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Hortense Fong

Hortense Fong is an assistant professor of marketing at Columbia Business School. She uses machine learning, econometric, and experimental methods to study the content in advertisements and the context around ads. Before joining Columbia, she received a Ph.D. in Quantitative Marketing from Yale.
Antitrust and Competition

A TikTok Ban Would Raise Ad Prices on Meta and Harm Small Business

Dante Donati
In new research, Dante Donati and Hortense Fong find that the brief TikTok outage in January benefited Meta as advertisers turned to its platforms to reach users. Small businesses, less able to switch, lost out.

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The publication of the Stigler Center at The University of Chicago Booth School of Business

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