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Measuring technological mompetition among big five using patent data : a systematic and scalable approach based on information retrieval technology
Tanaka, Katsuyuki; Kamihigashi, Takashi - 2021
Persistent link: https://www.econbiz.de/10012654213
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Machine learning : new tools for economic analysis
Tanaka, Katsuyuki; Kamihigashi, Takashi - 2022
Persistent link: https://www.econbiz.de/10013531068
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Technological competition among the Big Five in patent data : a systematic and scalable approach based on web-search technology
Tanaka, Katsuyuki; Kamihigashi, Takashi - 2022
Persistent link: https://www.econbiz.de/10013500971