The demographic transition can affect the equilibrium real interest rate through three channels. An increase in longevity - or expectations thereof - puts downward pressure on the real interest rate, as agents build up their savings in anticipation of a longer retirement period. A reduction in...

Paul Samuelson made a series of important contributions to population theory for humans and other species, evolutionary theory, and the theory of age structured life cycles in economic equilibrium and growth. The work is highly abstract but much of it was intended to illuminate issues of...

The goal of this study is to explain causes of terrorism. This study suggests that terrorism can be due to, in specific regions, high growth rates of population that generate income inequality, subsistence stress (population pressure) associated with relative deprivation of people. In addition,...