We introduce a novel use of genetic data for studying social influences on behavior: Using data from the National Longitudinal Study of Adolescent to Adult Health (Add Health), we deploy the distribution of genotypes in a given grade within a school to instrument the influence of peer smoking on...

Educational attainment (EA) is influenced by characteristics other than cognitive ability, but little is known about the genetic architecture of these "non-cognitive" contributions to EA. Here, we use Genomic Structural Equation Modelling and prior genome-wide association studies (GWASs) of EA...

The authors describe trends in single parenthood in Russia, examining factors that affect living arrangements in single-mother families. Before economic reform, single mothers and their children were somewhat protected form poverty by government assistance (income support, subsidized child care,...

Because of the decline in government assistance that accompanied economic reform in Russia, single mothers there - facing a greater risk of poverty - are increasingly choosing to live with other adults or relatives.Lokshin, Harris, and Popkin describe trends in single parenthood in Russia,...

There has long been interest in the extent to which effects of social stratification extend and persist across generations. We take a novel approach to this question by asking whether birth order and sibling group size in the parental generation influences the educational attainment of their...