搜索结果: 1-7 共查到“人口学 C/P ratios”相关记录7条 . 查询时间(0.078 秒)
Economic support ratios and the demographic dividend in Europe
demographic dividends Europe intergenerational transfer national transfer accounts (NTA) population aging population projection savings support ratio
2014/11/26
Background: Support ratios and dependency ratios are widely used as indicators for measuring the effects of population ageing on economic development. Both of these indicators use fixed age limits to ...
Sex ratios at sexual maturity and longevity: Evidence from Swedish register data
longevity mortality sex ratios
2014/11/25
Background: This study tests the recently proposed hypothesis that the contextual sex ratio at sexual maturity is related to longevity. Previous empirical research in the United States has shown that ...
Sex ratios at sexual maturity and longevity: Evidence from Swedish register data
longevity mortality sex ratios
2014/11/25
Background: This study tests the recently proposed hypothesis that the contextual sex ratio at sexual maturity is related to longevity. Previous empirical research in the United States has shown that ...
Could changes in reported sex ratios at birth during China's 1958-1961 famine support the adaptive sex ratio adjustment hypothesis?
China famine sex ratio at birth
2014/11/25
Background: The adaptive sex ratio adjustment hypothesis suggests that when mothers are in poor conditions the sex ratio of their offspring will be biased towards females. Major famines provide opport...
Masculine sex ratios, population age structure and the potential spread of HIV in China
AIDS/HIV China migration modelling sex ratios sexual behavior
2010/1/29
There is much speculation regarding the contribution of China’s changing demography to the spread of HIV/AIDS. We employ a bio-behavioral macrosimulation model of the heterosexual spread of HIV/AIDS t...
Sex ratios at birth in populations of Eastern and Southern Africa
Sex ratios birth Southern Africa
2009/9/14
Sex ratios at birth in populations of Eastern and Southern Africa.
Algorithm for decomposition of differences between aggregate demographic measures and its application to life expectancies, healthy life expectancies, parity-progression ratios and total fertility rates
healthy life expectancy life expectancy parity progression
2008/12/4
A general algorithm for the decomposition of differences between two values of an aggregate demographic measure in respect to age and other dimensions is proposed. It assumes that the aggregate measur...