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

Although many contemporary demographers pay attention to historical demography, there is
often a surprising lack of appreciation of the demographic circumstances and systems of the …

An event-history analysis of ten rural villages in Spain from 1750 to 1949 indicates that the
likelihood of parents having additional children was influenced by the number of their …

The universal two-child policy in China did not lead to a significant increase in fertility, which
results in many public debates. In this study, we examine to what extent a couple's desires …

Mixed economies provide a unique context for testing theories of fertility change. Because
they have a stake in two traditions, mixed-economy households balance the demands of …

Background: We aimed to explore the clinical efficacy of vitamin D combined with metformin
and clomiphene in the treatment of patients with polycystic ovary syndrome combined with …

Studies have shown mixed associations between wealth and fertility, a finding that has
posed ongoing puzzles for evolutionary theories of human reproduction. However …

Die Lebensgeschichtentheorie („life history theory “, LHT) stellt eines der prominentesten
konzeptionellen Rahmenwerke in den evolutionären Sozialwissenschaften dar–ihre …

Ten years ago, I read the manuscript entitled “Evolutionary Genetics of Personality” authored
by Lars Penke, Jaap Denissen, and Geoffrey Miller. I was a PhD student back than and I did …

Studies investigating how the number of children in a family affects the parents or the
children face problems because the variable of interest is endogenous in the model. The …