Dynamic adjustments could be a useful strategy for mitigating the costs of acute environmental shocks when timing is not a strictly binding constraint. To investigate whether such adjustments could apply to fertility, we estimate the effects of temperature shocks on birth rates in the United...

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...

In the postwar period, when fertility dropped substantially, immigration more than made up for the drop in population growth, and from 1950 to 2020, population increased by 73%, double the European rate, in a country with population density already among the highest in Europe. Yet, there never...