Creator | Title | Description | Subject | Date | ||
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1 |
![]() | Wolfinger, Nicholas H. | Alone in the ivory tower: how birth events vary among male and female fast-track professionals | We use data from the 2000 Census Public Use Microsample to examine the likelihood of a birth event, defined as the household presence of a child under two years old, for male and female professionals. Physicians have the highest rate of birth events, followed in order by attorneys and academics. W... | Fertility; Family; Occupation; Academic careers; Census | 2009-06-10 |
2 |
![]() | Smith, Ken R. | Fertility and post-reproductive longevity | We examine the effects of reproduction on longevity among mothers and fathers after age 60. This study is motivated by evolutionary theories of aging and theories predicting social benefits and costs of children to older parents. We use the Utah Population Database, that includes a large genealogic... | Fertility; post-reproductiivity; longevity | 2002 |
3 |
![]() | Hawkes, Kristen | Some current ideas about the evolution of the human life history | Human life history is characterised by a long juvenile period (weaning to reproductive maturity), and a long post-reproductive lifespan in females. How do we explain the differences between our nearest relatives, the great apes, and ourselves? This chapter summarises some recent attempts to use l... | Human life history; Fertility; Apes; Juvenile period | 1999 |
4 |
![]() | Cashdan, Elizabeth A. | Waist-to hip ratio across cultures: trade-offs between androgen-and estrogen-dependent traits | A gynoid pattern of fat distribution, with small waist and large hips (low waist-to-hip ratio, or WHR) holds significant fitness benefits for women: women with a low WHR of about 0.7 are more fecund, are less prone to chronic disease, and (in most cultures) are considered more attractive. Why, then... | Fertility; Optimum; Fecundity | 2008 |