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Stationary phase results from a situation in which growth rate and death rate are equal. The number of new cells created is limited by the growth factor and as a result the rate of cell growth matches the rate of cell death. The result is a “smooth,” horizontal linear part of the curve during the stationary phase.
The Monod equation is a mathematical model for the growth of microorganisms. It is named for Jacques Monod (1910–1976, a French biochemist, Nobel Prize in Physiology or Medicine in 1965), who proposed using an equation of this form to relate microbial growth rates in an aqueous environment to the concentration of a limiting nutrient.
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.
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):
Earnings growth rate is a key value that is needed when the Discounted cash flow model, or the Gordon's model is used for stock valuation. The present value is given by: = = (+ +). where P = the present value, k = discount rate, D = current dividend and is the revenue growth rate for period i.
A company’s dividend rate is the amount of its payout. For example, if Apple pays $0.63 per share in dividends every quarter, its annual dividend rate is $2.52, or four times $0.63. But when it ...
Figure 1: A bi-phasic bacterial growth curve.. A growth curve is an empirical model of the evolution of a quantity over time. Growth curves are widely used in biology for quantities such as population size or biomass (in population ecology and demography, for population growth analysis), individual body height or biomass (in physiology, for growth analysis of individuals).
As resources become more limited, the growth rate tapers off, and eventually, once growth rates are at the carrying capacity of the environment, the population size will taper off. [6] This S-shaped curve observed in logistic growth is a more accurate model than exponential growth for observing real-life population growth of organisms. [8]