| Variable | Name | Definition |
| Explained variables | LnLOAN | Natural logarithm of the loan |
| LTD | Loan/deposit * 100 | |
| LA | Loan/total assets * 100 | |
| Core explanatory variable | LnEPU2 | First order lag of exponential natural logarithm of economic policy uncertainty index |
| Control variable | GGDP | GDP constant price growth rate * 100 |
| CPI | An important indicator of the rate of inflation * 100 | |
| M2 | M2 year-on-year growth rate * 100 | |
| CAR | Net capital/(weighted risk assets + 12.5 market risk capital) * 100 | |
| EA | Total equity/total assets * 100 | |
| SIZE | The natural logarithm of the total assets | |
| ROA | After-tax net profit/average total assets * 100 | |
| LR | Liquid assets/liquid liabilities * 100 | |
| CTI | (operating expenses + depreciation)/operating income * 100 | |
| NIRR | (net fee and commission income + other business income + non-interest income on investment)/operating income *100 |