Keywords: Patent
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Journal Articles
International Journal of Managerial Finance (2023) 19 (3): 519–538.
Published: 05 May 2022
... A sample of 14,140 firm-year observations of the US firms from 2003 to 2020 is used. Unlike prior studies, this study uses a firm-level measure of political risk recently developed by Hassan et al. (2019) and measure innovation by patent and patent citation data and a text-based measure...

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