Fertility rates vary considerably across and within societies, and over time. Over the last
three decades, social demographers have made remarkable progress in documenting these …

Demographic analysis seeks to understand how individual microlevel decisions about
childbearing, marriage and partnering, geographic mobility, and behaviors that influence …

This collection addresses the world-wide pattern of falling birth rates. Fertility has commonly
been treated from a specialized demographic perspective, but there is today widespread …

The family is our haven, the place where we all start off on equal footing—or so we like to
think. But if that's the case, why do so many siblings often diverge widely in social status …

Sibling competition is widespread among bird and animal species and sometimes leads to
siblicide. By influencing the strategies that siblings employ in their struggles for dominance …

Objective. To develop an evolutionary model that integrates human parenting and family
formation with ideas about the evolved functions of distinctive human characteristics, such …

Cultural evolutionists have long been interested in the problem of why fertility declines as
populations develop. By outlining plausible mechanistic links between individual decision …

Kinship ties-the close relationships found within the family-have been a central focus of
evolutionary biological analyses of social behavior ever since biologist William Hamilton …

This paper proposes core innovations in the strategy of research on demographic
behaviour. One aim is a shift of attention away from events and towards a focus on dynamic …

The rift between evolutionary psychology and the biosocial model of gender relations
impedes a fuller understanding of gender roles and gender inequality. In a novel …