“…In our main test, we keep the observations in year 0 and treat them as occurring after the firm entered the list ( POST = 1) . We estimate the following regression to test the effects of short selling on the firms’ internal control quality.where IC_index is an index developed by DIB Company to measure internal control quality, which has been widely used by Chinese researchers (Li et al ., ; Wang et al ., ). According to C‐SOX, a corporate internal control system contains five elements: internal environment, risk assessment, controlling activity, information and communication and internal monitoring.…”