In 1798 economist Thomas Robert Malthus famously predicted that short-term gains in living standards would inevitably be undermined as human population growth outstripped food production and thereby drove living standards back toward subsistence. We were, he argued, condemned by the tendency of population to grow geometrically while food production would increase only arithmetically. For 200 ye...

POPULATION GROWTH has been thought, since the time of Thomas Malthus, to produce dire consequences such as disease, scarcity and social deviancy. This dark view seemed confirmed by rodent studies. Yet little evidence suggests that people are similarly affected: we seem to handle large crowds quite well for the most part.

Mediante este texto, David Ricardo abre una discusión acerca de las ideas Thomas Malthus sobre teorías del aumento capital y el tipo utilidades, cuales se aplicaron a los procesos económicos en la agricultura al contexto Gran Bretaña 1814-1815 respecto políticas económicas que estaban llevando cabo para regular comercio cereales. De esta manera, reflexiona relaciones dinámicas dadas entre utili...

Some of the best-known reconstructions of the general argument presented in Charles Darwin’s Origin of Species attempt to show its hypothetical-deductive features. The Principle of Natural Selection is given as the necessary conclusion of the following premises: the Principles of Variation, the Struggle for Existence (sometimes referred to as Malthus’ Principle), the Variation in Fitness, and H...

In the present paper an almost-sure renewal theorem for branching random walks (BRWs) on the real line is formulated and established. The theorem constitutes a generalization of Nerman’s theorem on the almost-sure convergence of Malthus normed supercritical Crump–Mode–Jagers branching processes counted with general characteristic and Gatouras’ almost-sure renewal theorem for BRWs on a lattice.