Category: Acid Deposition and Energy Use

Modeling the Renewable Resource Stock

The economy and ecology of Easter Island were relatively simple, but obtaining a tractable mathe­matical representation still requires significant ab­straction and approximation. At a minimum, it is necessary to model the behavior of two ‘‘stocks’’ or ‘‘state variables’’: the forest stock and the population. In fact, it is an oversimplification to focus just on the […]

Mitigating Factors and Reinforcing Factors

Various factors can mitigate Malthusian population dynamics (as Malthus recognized), including techno­logical progress and the possibility of a ‘‘demo­graphic transition’’ under which fertility declines at sufficiently high incomes. (The combination of technological progress and a demographic transition has, of course, allowed most of the modern world to avoid the Malthusian trap over the two centuries […]