“…Scholars have used psychological capital as a mediating variable in their models when examining the relationship between the role of abusive supervision, ethical leadership, and knowledge sharing, empirical results showed that psychological capital was positively related to knowledge sharing ( Agarwal and Anantatmula, 2021 ; Goswami and Agrawal, 2022 ); Zhu used psychological capital as a mediating variable when exploring the relationship between perceived overqualification and knowledge hiding behavior, and the results showed that psychological capital has a negative effect on knowledge hiding ( Zhu et al, 2022 ). By combing through the relevant literature, Dongling et al (2022) found that knowledge sharing has a positive impact on firm innovation performance, and the empirical results show that member knowledge sharing in the era of big data significantly impact the innovation performance of eSports industry knowledge alliances ( Yue et al, 2022 ); scholars have shown through their research that knowledge hiding as an independent or mediating variable has a negative effect on task performance ( Tian et al, 2022 ), team performance ( Miao et al, 2022 ), organizational performance ( Wen and Ma, 2021 ), and innovation performance ( Rong and Liu, 2021 ) of firms. In summary, psychological capital has a correlation with knowledge sharing and knowledge hiding, and at the same time, knowledge sharing, knowledge hiding and innovation performance also have a correlation, but the existing literature lacks an overall study of the above four variables, and the inner connection between the four needs to be explored in depth.…”