Cultural group selection has been proposed as an explanation for humans' highly
cooperative nature. This theory argues that social learning mechanisms, combined with …

Why parents in some societies induce some of their sons to become religious celibates is an
evolutionary puzzle. Some have speculated that this might be associated with brother …

Numerous evolutionary mechanisms have been proposed for the origins, spread and
maintenance of low fertility. Such scholarship has focused on explaining the adoption of …

In recent years, develo** and developed countries are witnessing delayed childbearing
among women contributing to the overall decline in fertility rates. The age at which a woman …

Female-biased kinship (FBK) arises in numerous species and in diverse human cultures,
suggesting deep evolutionary roots to female-oriented social structures. The significance of …

All demographic forecasts imply that global ageing will continue and even intensify in the
coming decades. As some values may change with age, global ageing is likely to cause …

The transition to low fertility worldwide has led to introduction of diverse frameworks across
disciplines to understand its causes and consequences. Previous attempts to compare the …

Market integration (MI) is a complex process through which individuals integrate market-
oriented activities into previously subsistence-dominated lifeways. Changes associated with …

Transitions to matriliny are said to be relatively rare. This evidence is sometimes used to
support arguments that perceive matriliny as a problematic and unstable system of kinship …

A key demographic hypothesis has been that fertility declines rely on stop** at target
parities, but emerging evidence suggests that women frequently reduce fertility without …