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 views of Thomas Robert Malthus (1766-1834) on population, first published in his Essay on the Principle of Population, 1798, continue to be hotly debated, either acclaimed or opposed, as do his views on microeconomics. There is also a widely held view that his macroeconomics lacks coherence...

Analytical setting -- Structured population models on state space R -- Structured population models on proper spaces -- Numerical methods for structured population models -- Recent developments and future perspectives.

"Does the environment pose limits to human population size and wellbeing? Or does human intelligence and resourcefulness ensure that environmental limits will be expanded and respected? Is a growing population a (or even the) key driver of resource depletion and environmental degradation? How...