Studies at the confluence of history and social science address issues of causation in three
ways: morphological, variable-centered, and genetic. These approaches to causal …

Despite long-standing recognition of the importance of family background in shaping life
outcomes, only recently have empirical studies in demography, stratification, and other …

How has the demography of grandparenthood changed over the last century? How have
racial inequalities in grandparenthood changed, and how are they expected to change in …

Studies have found a pronounced decline in male effective population sizes worldwide
around 3000–5000 years ago. This bottleneck was not observed for female effective …

This article introduces the first-ever full kinship network of an upper-class population in a US
city (n= 12 273). Multigenerational class transmission models tend to conceptualize families …

BACKGROUND Kinship models, from the pioneering work of Goodman, Keyfitz, and Pullum
to the recent matrix-oriented approach of Caswell, have assumed time-invariant …

The authors use administrative data linked to parish records from northern Sweden to study
how persistent inequality is across multiple generations in education, occupation, and …

Most social mobility studies take a two-generation perspective, in which intergenerational
relationships are represented by the association between parents' and offspring's …

BACKGROUND The loss of kin by death has medical, psychological, and social effects on
other members of a kinship network. Recent formal demographic models can account for …

A major evolutionary transition in individuality involves the formation of a cooperative group
and the transformation of that group into an evolutionary entity. Human cooperation shares …