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  2. Sum of perpetuities method - Wikipedia

    en.wikipedia.org/wiki/Sum_of_Perpetuities_Method

    SPM is derived from the compound interest formula via the present value of a perpetuity equation. The derivation requires the additional variables X {\displaystyle X} and R {\displaystyle R} , where X {\displaystyle X} is a company's retained earnings, and R {\displaystyle R} is a company's rate of return on equity.

  3. Dividend discount model - Wikipedia

    en.wikipedia.org/wiki/Dividend_discount_model

    In financial economics, the dividend discount model (DDM) is a method of valuing the price of a company's capital stock or business value based on the assertion that intrinsic value is determined by the sum of future cash flows from dividend payments to shareholders, discounted back to their present value.

  4. Actuarial notation - Wikipedia

    en.wikipedia.org/wiki/Actuarial_notation

    A life table (or a mortality table) is a mathematical construction that shows the number of people alive (based on the assumptions used to build the table) at a given age. In addition to the number of lives remaining at each age, a mortality table typically provides various probabilities associated with the development of these values.

  5. Time value of money - Wikipedia

    en.wikipedia.org/wiki/Time_value_of_money

    The present value formula is the core formula for the time value of money; each of the other formulas is derived from this formula. For example, the annuity formula is the sum of a series of present value calculations. The present value (PV) formula has four variables, each of which can be solved for by numerical methods:

  6. How to calculate the present and future value of annuities - AOL

    www.aol.com/finance/calculate-present-future...

    Imagine investing $1,000 on Oct. 1 instead of Oct. 31 — it gains an extra month of interest growth. To account for this time advantage, the formula for the future value of an annuity due is:

  7. Discounted cash flow - Wikipedia

    en.wikipedia.org/wiki/Discounted_cash_flow

    If the cash flow stream is assumed to continue indefinitely, the finite forecast is usually combined with the assumption of constant cash flow growth beyond the discrete projection period. The total value of such cash flow stream is the sum of the finite discounted cash flow forecast and the Terminal value (finance) .

  8. Income annuities: What are they and how do they work? - AOL

    www.aol.com/finance/income-annuities-192155451.html

    There are two main types of income annuities: Single-premium immediate annuity (SPIA): SPIAs are the most common type of income annuity. You pay a lump sum upfront, and the annuity company starts ...

  9. Perpetuity - Wikipedia

    en.wikipedia.org/wiki/Perpetuity

    If the discount rate for stocks (shares) with this level of systematic risk is 12.50%, then a constant perpetuity of dividend income per dollar is eight dollars. However, if the future dividends represent a perpetuity increasing at 5.00% per year, then the dividend discount model, in effect, subtracts 5.00% off the discount rate of 12.50% for 7 ...