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  2. Gromov's theorem on groups of polynomial growth - Wikipedia

    en.wikipedia.org/wiki/Gromov's_theorem_on_groups...

    The growth rate of a group is a well-defined notion from asymptotic analysis. To say that a finitely generated group has polynomial growth means the number of elements of length at most n (relative to a symmetric generating set) is bounded above by a polynomial function p(n). The order of growth is then the least degree of any such polynomial ...

  3. Grinold and Kroner Model - Wikipedia

    en.wikipedia.org/wiki/Grinold_and_Kroner_Model

    is the expected inflation rate g {\displaystyle g} is the real growth rate in earnings (note that by adding real growth and inflation, this is basically identical to just adding nominal growth) Δ S {\displaystyle \Delta S} is the changes in shares outstanding (i.e. increases in shares outstanding decrease expected returns)

  4. Sum of perpetuities method - Wikipedia

    en.wikipedia.org/wiki/Sum_of_Perpetuities_Method

    However a company may elect to retain a portion of its earnings to produce incremental earnings and/or dividend growth. If the value of both dividends and retained earnings are considered, and the return on equity is equal to the firm's discount rate, the company could be valued by the same function (refer to relationship I):

  5. Geometric mean - Wikipedia

    en.wikipedia.org/wiki/Geometric_mean

    The average percentage growth is the geometric mean of the annual growth ratios (1.10, 0.88, 1.90, 0.70, 1.25), namely 1.0998, an annual average growth of 9.98%. The arithmetic mean of these annual returns – 16.6% per annum – is not a meaningful average because growth rates do not combine additively.

  6. Growth rate (group theory) - Wikipedia

    en.wikipedia.org/wiki/Growth_rate_(group_theory)

    In the mathematical subject of geometric group theory, the growth rate of a group with respect to a symmetric generating set describes how fast a group grows. Every element in the group can be written as a product of generators, and the growth rate counts the number of elements that can be written as a product of length n .

  7. Population dynamics - Wikipedia

    en.wikipedia.org/wiki/Population_dynamics

    Thus r is the maximum theoretical rate of increase of a population per individual – that is, the maximum population growth rate. The concept is commonly used in insect population ecology or management to determine how environmental factors affect the rate at which pest populations increase. See also exponential population growth and logistic ...

  8. 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.

  9. Allometry - Wikipedia

    en.wikipedia.org/wiki/Allometry

    Allometry (Ancient Greek ἄλλος állos "other", μέτρον métron "measurement") is the study of the relationship of body size to shape, [1] anatomy, physiology and behaviour, [2] first outlined by Otto Snell in 1892, [3] by D'Arcy Thompson in 1917 in On Growth and Form [4] and by Julian Huxley in 1932. [5]