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The extent to which long-term demographic trends can be accurately estimated is examined. The impact of factors such as migration, family structure, marriage and divorce patterns, and age distribution is discussed. Differences between the concepts of zero population growth and a stable population growth rate are noted. The focus is on the USSR, and comparisons with other developed countries are included. 相似文献
69.
Human capital and the time-profile of human fertility 总被引:1,自引:0,他引:1
Cigno A 《Economics Letters》1983,13(4):385-392
This is a 1st attempt at an explicitly intertemporal, microeconomic theory of the distribution of births over a woman's fertile period. The main results are that: 1) the optimal time-profile will satisfy the Hotelling rule for the depletion of a natural resource (in the present case of the women's stock of human capital at marriage); and 2) under certain simplifying assumptions, women with "high" initial endowments of human capital will have all their children in the 1st part of married life and then return to full-time employment, while women with "low" initial endowments will spread childbearing more evenly over the fertile period. It must also be pointed out that the characteristics of the optimal fertility profile might be different if utility depended directly on the profile itself--e.g., if the quality of children increased with the interval between the pregnancies, as assumed in the literature on birth spacing. 相似文献
70.
The authors examine sex differentials in sustenance and survival in developing countries using the example of India. Lower female life expectancy at birth and the declining ratio of females to males are discussed as evidence of female deprivation. Consideration is given to the feeding, survival, and neglect of female children, to differences in use of medical facilities by sex, and to regional differences by state. This pattern of discrimination is found to persist even in urban areas. 相似文献