| Variables | Expected signs on CSR | Definitions |
| ASSET | + | Natural log of total asset |
| SALEGRW | ? | Annual growth of the sales |
| TOBINQ | + | Tobin’s Q ratio calculated as the book value of assets minus the book value of equities plus the market value of equities, divided by the book value of assets |
| TOTRISK | ― | Standard deviation of daily stock return in 1 year |
| RET | + | Annual stock return during the year |