In this paper we examine the short-run impact of migration on the age composition of nonmetropolitan areas. Changes in age structure can have important consequences at the local level, and the ...

1. Large herbivores have strongly age-structured populations. Because recruitment often decreases as population density increases, in unexploited populations the proportion of older adults may ...

The relationship between population changes and economic growth has been a controversial topic among demographers for many years. A study now challenges the dominant view that fertility decline and ...