About: Couttsian Growth Model

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Whilst evolutionists generally accept the Malthusian (constant rate exponential) nature of population growth, others such as Dawkins (1996) sometimes point out that an exponential growth model (for example, when applied to local doubling of cell populations) is naive. However, even Dawkins (1996) does not always qualify his (typically Malthusian) explanation of exponential growth: Demographer Joel E. Cohen (1995) is highly critical of such views, arguing that: "...Population growth was not exponential during these millennia, whatever Malthus and others may have thought."

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rdfs:label	Couttsian Growth Model
rdfs:comment	Whilst evolutionists generally accept the Malthusian (constant rate exponential) nature of population growth, others such as Dawkins (1996) sometimes point out that an exponential growth model (for example, when applied to local doubling of cell populations) is naive. However, even Dawkins (1996) does not always qualify his (typically Malthusian) explanation of exponential growth: Demographer Joel E. Cohen (1995) is highly critical of such views, arguing that: "...Population growth was not exponential during these millennia, whatever Malthus and others may have thought."
dbkwik:academia/pr...iPageUsesTemplate	dbkwik:resource/0RkCt6w6IWjmy2kz7vo3wQ==
abstract	Whilst evolutionists generally accept the Malthusian (constant rate exponential) nature of population growth, others such as Dawkins (1996) sometimes point out that an exponential growth model (for example, when applied to local doubling of cell populations) is naive. However, even Dawkins (1996) does not always qualify his (typically Malthusian) explanation of exponential growth: "It is the nature of a replicator that it generates a population of copies of itself, and that means a population of entities that also undergo duplication. Hence the population will tend to grow exponentially until checked by competition for resources or raw materials. ...Briefly, the population doubles at regular intervals, rather than adding a constant number at regular intervals. This means that there will soon be a very large population of replicators and hence competition between them." Demographer Joel E. Cohen (1995) is highly critical of such views, arguing that: "Surprisingly, in spite of the abundant data to the contrary, many people believe that human population grows exponentially. It probably never has and probably never will." Cohen then examines a number of other population models (the logistic curve, the doomsday curve, and the sum-of-exponentials curve). He then uses a semi-log plot to examine world population history for the last two thousand years. He confidently dismisses popular opinion: "...Population growth was not exponential during these millennia, whatever Malthus and others may have thought." Cohen is equally critical of the Logistic Growth Model, too, pointing out the frequency of failed predictions by Verhulst and others. He concludes: "In any event, the available simple models do not describe human population history" Cohen presents Egypt's demographic history as a classic example of intractible population modelling complextiy. So does population grow exponentially, or not? Does a simple but universal physical law of population growth exist? Can we simply model Egypt's demographic history?

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