文章基本信息

标题：Tempo and its Tribulations
本地全文：下载
作者：Kenneth W. Wachter
期刊名称：Demographic Research
印刷版ISSN：1435-9871
电子版ISSN：1435-9871
出版年度：2005
卷号：13
页码：201-222
DOI：10.4054/DemRes.2005.13.9
出版社：Max Planck Institute for Demographic Research
摘要：Bongaarts and Feeney offer alternatives to period life expectancy with a set of demographic measures equivalent to each other under a Proportionality Assumption. Under this assumption, we show that the measures are given by exponentially weighted moving averages of earlier values of period life expectancy. They are indices of mortality conditions in the recent past. The period life expectancy is an index of current mortality conditions. The difference is a difference between past and present, not a ``tempo distortion'' in the present. In contrast, the Bongaarts-Feeney tempo-adjusted Total Fertility Rate is a measure of current fertility conditions, which can be understood in terms of a process of birth-age standardization.
关键词：demographic transition;life expectancy;standardization;tempo;total fertility rate (TFR)