Zhou, Han; Zhang, Xiang; Ruan, Rui - In: Journal of innovation & knowledge : JIK 8 (2023) 3, pp. 1-12
Current Economic Policy Uncertainty (EPU) indicators are highly correlated with macroeconomic growth. To better reveal the EPU perceived by each firm, a firm-level EPU index is constructed using a text mining method. Using data of Chinese A-share listed companies from 2011 to 2020, this study...