Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Investopedia / Hilary Allison The present ...

An annuity is an insurance contract you purchase to receive payments for a specific period, such as 30 years, or for the rest of your life. By applying a mathematical formula consisting of variables ...

Definition: The net present value (NPV) of an investment is the present (discounted) value of future cash inflows minus the present value of the investment and any associated future cash outflows.