This study uses a panel data regression model to investigate how internal and external factors affect the profitability … factors that influence the profitability of city commercial banks in China. There are several estimation methods in panel data … efficiency and external explanatory variables such as province GDP and inflation have a significant impact on the profitability …

commercial bank profitability. A methodological objective is to test the operational and statistical results of regressing only … variables that strongly discriminate between groups of banks exhibiting large differences in profitability.Discriminant analysis … was utilized to find a subset of explanatory variables that explain differences in bank profitability for two subsamples …