“…According to Li et al (2008) and Chen et al (2011), a Chinese firm is considered politically connected when its chairman or general manager is or used to be a government official, has close ties to a current or former government official, or is (used to be) the member of National People's Congress, Chinese People's Political Consultative Conference, or the Party Congress. Considering the political system of China, which is classified into different ranks from top to bottom, we constructed an index to evaluate the strength of political connections in China for a more accurate description (Chen et al, 2017;Hu et al, 2019;Peng et al, 2017;Yu et al, 2019). The IPC index of 4-0 was assigned for firms according to the ranks of chairman's or CEO's political connection: "4" for national rank, "3" for provincial rank, "2" for municipal rank, "1" for the county-level rank, and "0" for situations without political connection.…”