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| Gross Reproduction Rate× | 生命表分析× | |
|---|---|---|
| 领域 | 人口学 | 人口学 |
| 方法族≠ | Process / pipeline | Survival analysis |
| 起源年份≠ | 1928 | 1984 |
| 提出者≠ | Richard Böckh (concept) and Robert R. Kuczynski (popularization) | Demographic/actuarial tradition; Chiang |
| 类型≠ | Single-sex summary fertility measure counting daughters per woman | Age-structured mortality estimator |
| 开创性文献≠ | Preston, S. H., Heuveline, P., & Guillot, M. (2001). Demography: Measuring and Modeling Population Processes. Blackwell. ISBN: 9781557864512 | Chiang, C. L. (1984). The Life Table and Its Applications. Robert E. Krieger Publishing. ISBN: 978-0-89874-565-2 |
| 别名 | GRR, Gross reproductive rate, Daughters per woman (without mortality), Brüt Üreme Hızı | Mortality Table, Actuarial Table, Survival Table, Yaşam Tablosu |
| 相关≠ | 4 | 3 |
| 摘要≠ | The gross reproduction rate is the average number of daughters a woman would bear over her lifetime if she experienced a given set of age-specific fertility rates and survived through all her childbearing years. It is a single-sex reproduction measure: by counting only daughters, it tracks how a generation of women replaces itself, ignoring the mortality that would thin the next generation. As such it sits between the total fertility rate, which counts all children, and the net reproduction rate, which discounts daughters for the chance of dying before they themselves reproduce. | A life table is a systematic, age-structured summary of the mortality experience of a population. It traces a hypothetical cohort of births — conventionally 100,000 — through successive age intervals, recording how many survive, how many die, and how many person-years are lived at each interval. The method was formalized in its modern probabilistic form by Chiang (1984), synthesizing centuries of actuarial and demographic practice into a rigorous statistical framework applicable to human and biological populations alike. |
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