Qi, Min; Xiaofei, Zhang; Zhao, Xinlei Shelly - 2022
We examine the impact of the unobservable systematic risk factor on default prediction model performance. We find that … including the unobservable systematic risk factor might help improve predictive accuracy, but it might not help improve rank … ordering of firms by default risk. Rank ordering is mainly driven by firm-level variables, while predictive accuracy is …