Summary of variables used in the research models
| Variables | Symbol | Definition | Data sources |
|---|---|---|---|
| Dependent variables | |||
| Bank performance | ROA | Return on Assets | Fiinpro |
| Bank risk | NPL | The ratio of non-performing loans to total loans | Fiinpro |
| Independent variables | |||
| Global economic policy uncertainty | GEPU | Natural logarithm of the Global Economic Policy Uncertainty Index | www.policyuncertainty.com |
| Bank capital | EA | Equity to total assets ratio | Fiinpro |
| Interaction term | GEPU × EA | GEPU × EA | |
| Control variables | |||
| Credit growth | GROW_CRE | Growth rate of credit | Fiinpro |
| Interest expense | INC | Ratio of interest expenses to total assets | Fiinpro |
| Operating expense | COST | Ratio of operating expenses to total assets | Fiinpro |
| Bank size | SIZE | Natural logarithm of total assets | Fiinpro |
| Economic growth | GDP | Annual per capita GDP growth rate of Vietnam (%) | World Bank |
| Inflation | INF | Consumer price inflation rate of Vietnam (%) annually | World Bank |
| Variables | Symbol | Definition | Data sources |
|---|---|---|---|
| Bank performance | ROA | Return on Assets | Fiinpro |
| Bank risk | The ratio of non-performing loans to total loans | Fiinpro | |
| Global economic policy uncertainty | Natural logarithm of the Global Economic Policy Uncertainty Index | www.policyuncertainty.com | |
| Bank capital | EA | Equity to total assets ratio | Fiinpro |
| Interaction term | |||
| Credit growth | GROW_CRE | Growth rate of credit | Fiinpro |
| Interest expense | INC | Ratio of interest expenses to total assets | Fiinpro |
| Operating expense | COST | Ratio of operating expenses to total assets | Fiinpro |
| Bank size | SIZE | Natural logarithm of total assets | Fiinpro |
| Economic growth | GDP | Annual per capita GDP growth rate of Vietnam (%) | World Bank |
| Inflation | INF | Consumer price inflation rate of Vietnam (%) annually | World Bank |
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