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Unpacking US tech valuations: An agnostic assessment

GLOBAL BUSINESS AND FINANCE MAGAZINE
September 10, 2025
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The recent performance of the largest US tech companies has raised concerns about the risk of a stock market bubble. Using a three-stage pricing model applied to the top ten US tech firms, this column finds that current market prices do not appear implausible given the underlying drivers of both recent and expected performance. The […]

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Dynamism in generative AI markets since the release of ChatGPT

GLOBAL BUSINESS AND FINANCE MAGAZINE
July 14, 2025
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The success of ChatGPT has raised fears that the excessive concentration of generative AI technology within one or two leading US companies could reduce market dynamism. This column presents novel empirical evidence which suggests that the supply of AI has been more open than initially expected in various segments of the AI value chain, driving […]