Earnings before interest and taxes (EBIT) indicate a company's profitability and are calculated as revenue minus expenses, excluding taxes and interest expenses.

New tax rules are reshaping how retirees calculate what they owe on Social Security, and the changes are easy to misread. The core benefit formula has not been rewritten, but a new senior deduction ...

We derive a fully non-linear optimal income tax schedule in the presence of private insurance. We fill the gap in the literature by studying the optimal tax formula with a comprehensive structure of ...