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AI Patents in the United States and China: Measurement, Organization, and Knowledge Flows
We are grateful to Lee Fleming, Kang Shi, and Xiaoyan Zhang for insightful comments and suggestions. We also appreciate the comments from the participants at seminars of PBC School of Finance at Tsinghua University, HKUST(Guangzhou), Birmingham University and the Conference on ``Frontiers in Machine Learning and Economics: Methods and Applications'' (Chicago Booth, 2025) and SFS Cavalcade Asia-Pacific Conference (2025).
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