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  2. Malthusianism - Wikipedia

    en.wikipedia.org/wiki/Malthusianism

    A positive check is any event or circumstance that shortens the human life span. The primary examples of this are war, plague and famine. [31] However, poor health and economic conditions are also considered instances of positive checks. [32] When these lead to high rates of premature death, the result is termed a Malthusian catastrophe.

  3. Thomas Robert Malthus - Wikipedia

    en.wikipedia.org/wiki/Thomas_Robert_Malthus

    The positive checks include hunger, disease and war; the preventive checks: birth control, postponement of marriage and celibacy. [ 68 ] The rapid increase in the global population of the past century exemplifies Malthus's predicted population patterns; it also appears to describe socio-demographic dynamics of complex pre-industrial societies .

  4. An Essay on the Principle of Population - Wikipedia

    en.wikipedia.org/wiki/An_Essay_on_the_Principle...

    The book An Essay on the Principle of Population was first published anonymously in 1798, [1] but the author was soon identified as Thomas Robert Malthus.The book warned of future difficulties, on an interpretation of the population increasing in geometric progression (so as to double every 25 years) [2] while food production increased in an arithmetic progression, which would leave a ...

  5. Human population planning - Wikipedia

    en.wikipedia.org/wiki/Human_population_planning

    He predicted that "positive checks" on exponential population growth would ultimately save humanity from itself and he also believed that human misery was an "absolute necessary consequence". [19] Malthus went on to explain why he believed that this misery affected the poor in a disproportionate manner. World population growth rate 1950–2050

  6. Struggle for existence - Wikipedia

    en.wikipedia.org/wiki/Struggle_for_existence

    Malthus also notes that the checks on the human population are more complicated than those on animals and plants. [25] Malthus explains, for example, that a human check on population growth is the conscious decision not to reproduce because of financial burden. [25] Malthus then explains that the main check on population growth is food.

  7. Ayn Rand, Thomas Malthus, and the High Cost of Terrible Ideas

    www.aol.com/news/2010-02-06-ayn-rand-thomas...

    Pity the philosopher. Underpaid and underappreciated, professional thinkers are doomed to a terrible dilemma: in the best case, their ideas are likely to be ignored. In the worst case, they will ...

  8. Center for Population Economics - Wikipedia

    en.wikipedia.org/wiki/Center_for_Population...

    According to Malthus, population growth at some point must collide with shrinking returns . It is all about arithmetic food supply and exponential population where increase in population and food supply can be balanced through the establishment of positive checks and preventive measures. Malthusian theory consists of various elements that have ...

  9. Malthusian growth model - Wikipedia

    en.wikipedia.org/wiki/Malthusian_growth_model

    The model is named after Thomas Robert Malthus, who wrote An Essay on the Principle of Population (1798), one of the earliest and most influential books on population. [1] Malthusian models have the following form: = where P 0 = P(0) is the initial population size,