High desired fertility is an important factor contributing to the population explosion in sub-Saharan Africa. On a broad sample of 910 respondents from the rural areas of Uganda this paper assesses the impact of health risks, economic contributions from children, traditional community...

This paper develops and estimates a dynamic model of employment and child care decisions of women after birth in order to evaluate the effects of mothers' decisions on children's cognitive ability. I use data from the NLSY to estimate the model. The results suggest that the effects of maternal...

A sample covering 204,394 blocks from the 1990 U.S.Census permits measurement of residual heterogeneity from local area to local area after controlling by stratification for demographic characteristics such as race, ethnicity, age, sex as well as geographic characteristics such as region and...

By marrying and raising children, parents participate in a system of gift-exchange in which the gifts in question are human lives, and the parties to the exchange are the kinship groups recognised in the society concerned. Fertility reflects the attitudes of prospective parents to their place in...

Our study describes fundamental changes in childbearing behavior in Hungary. It documents current postponement of entry into motherhood (first birth) and uncovers signs of delay in second birth. We place the behavioral modifications into historical time and reveal the basic role of the...

Period life expectancy has increased more slowly than its cohort counterpart. This paper explores the differences between life expectancies at a given time (the gap) and the time required for period life expectancy to reach the current level of cohort life expectancy (the lag). Additionally, to...

This study explores the change of married women’s sex preference for children in Taiwan since 1990, finding that there was a substantial decline of son preference and rise of “gender indifferenceâ€, defined as feeling indifferent about children’s sex (as opposed to...

Based on Swedish register data, we compared the influence of a twin birth on the divorce risk with the influence of the sequential birth of two single children. The divorce risk for a woman with a very young child was lower than the risk for women without children or women with children older...

We present life tables by single year of age and sex for groups of animals and for 42 individual mostly mammalian species. Data are derived from the International Species Information System. The survivorship of most of these species has never been mapped systematically. We demonstrate that, in...