نتایج جستجو برای: fertility measures
تعداد نتایج: 402881 فیلتر نتایج به سال:
The birth of children often shifts the power balance within a family. If family decisions are made according to the spouses' welfare function, this shift in power may lead to a time consistency problem. The allocation of resources after the birth of children may differ from the ex-ante optimal choice. In a model of cooperative decision making within a family, we show that this time consistency ...
The rapid fertility decline in China during the 1970s coincided with rapid rises in the educational attainment of Chinese women, raising questions about the relative importance of educational change to fertility trends. To examine this association, fertility declines in the period 1967-70 to 1979-81 were compared in 2 Chinese provinces--Liaoning, and economically advanced province, and Sichuan...
BACKGROUND Insulin-like growth factor 1 (IGF-1) gene is considered as a promising candidate for the identification of polymorphisms affecting cattle performance. The objectives of the current study were to determine the association of the single nucleotide polymorphism (SNP) IGF-1/SnaBI with fertility, milk production and body condition traits in Holstein-Friesian dairy cows under grazing condi...
Many variables of biological, ecological and cultural nature affect the biological dynamics of human populations. A religious denomination was an element of the cultural system which had an impact on the attitude towards birth control and sexuality. The aim of this paper is to show how religion shaped the fertility figures in the Catholic and Lutheran populations of historical Poland. Two metho...
The extent to which China’s family planning policy has driven its fertility transition over the past decades is debatable. The disagreement is partly sourced from the different ways of measuring the policy. Most existing measures, constructed on the policy history, generally, do not include complete secular and cross-sectional policy variations, fail to heterogeneously reflect people’s exposure...
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