| Name | Definition |
| T_lev | Estimated target leverage ratio, calculated using the methods present in 3.1 |
| DEV | The gap between actual leverage and target leverage, calculated as , is the estimated target leverage; is the previous period’s total interest bearing debt divided by the sum of the previous period’s book assets plus current period net income |
| Δlev | The active leverage adjustment, calculated as , where is calculated as the sum of interest-bearing debt divided by total assets; is the previous period’s total interest bearing debt divided by the sum of the previous period’s book assets plus current period net income |
| MMC | Managerial Macro Cognition, calculated as numbers of macro-related words divided by total number of words in MD & A section of annual report |
| Lev | Book leverage, calculated as the sum of interest-bearing debt divided by total assets |
| EBIT | Earnings before interest and taxes as a measure of profitability, calculated as net income before interest and taxes divided by total assets |
| Dep | The nondebt tax shied, calculated as depreciation divided by total assets |
| Size | Firm size, calculated as the natural log of the book value of total assets |
| Tangibility | Asset tangibility, calculated as plants, property and equipment divided by total assets |
| TobinQ | The Tobin’s Q as a measure of growth opportunity, calculated as the sum of market value of equity and book value of total liability divided by book value of total assets |
| Ind_level | The industry leverage, calculated as the industry-year median leverage |