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...

This chapter explores the ways in which changing the age structure of the population in the macroeconomic models affects variables, such as consumption, wages, government spending, and saving. The chapter also presents the basic data on the ways in which the age structure of the population is...