搜索结果: 1-4 共查到“人口学 Mean”相关记录4条 . 查询时间(0.031 秒)
Estimating Mean Lifetime
Lifetime Estimating
2009/9/15
The life expectancy implied by current age–specific mortality rates is calculated with life table methods that are among the oldest and most fundamental tools of demography. We demonstrate that these ...
The relative tail of longevity and the mean remaining lifetime
frailty heterogeneity life expectancy life span mortality mortality rate tail of longevity
2008/12/11
Vaupel (1998) posed the provocative question, “When it comes to death, how do people and flies differ from Toyotas?” He suggested that as the force of natural selection diminishes with age, structural...
On the tempo and quantum of first marriages in Austria, Germany, and Switzerland Changes in mean age and variance
age-period interactions Austria first marriages Germany marriage mean age and variance changes tempo and quantum effects
2008/12/9
Period marriage rates have been falling dramatically in most industrial societies since the beginning of the 1970s. As has been shown in the literature, part of this decline is due to the postponement...
Replacement fertility, what has it been and what does it mean?
Replacement fertility demographers the concept
2010/1/20
Replacement fertility is a term commonly used by demographers when referring to levels of childbearing and yet is rarely explained. Continued below replacement fertility in developed countries and fer...