Each student needs to collect time series data for KSA listed company to run and comments on short- and long-term models results using ARDL technics. Dependent Variable: ROE (Return on Equity) Independent Variables: Close price, and (add two other variables) Duration: more than 35 observations Each student needs to collect time series data for KSA listed company to run and comments on short- and long-term models results using ARDL technics. Dependent Variable: ROE (Return on Equity) Independent Variables: Close price, and (add two other variables) Duration: more than 35 observations