This demographic transition in the United States—particularly the steady increase in life expectancy—put significant downward pressure on interest rates ... “A Model of Secular Stagnation: Theory and ...

The second demographic transition (SDT) is a theory that describes the changes in family formation, fertility, and partnership patterns that have occurred in many developed countries since the mid ...

Using a mathematical model, researchers have shed new light on the transition from hunter-gatherer to farming societies. Rather than focusing exclusively on external factors, they looked at ...

Demographic Research, Vol. 27 (JULY - DECEMBER 2012), pp. 299-338 (42 pages) BACKGROUND According to classic demographic transition theory, mortality change is the key factor that triggers a decline ...