environment and preschool well-being : an examination of children entering the child welfare system during infancy / Brenda Jones … Harden ... [et al.] -- Risk and resilience among children referred to the child welfare system : a longitudinal investigation … continuity of children's placements in formal and informal substitute care / Mark Testa, Christina M. Bruhn, and Jesse Helton …

children's development and the respective social policies the two nations have designed to boost human capital development … children's development and the respective social policies the two nations have designed to boost human capital development …

, and meritocracy / James R. Flynn -- Genes, culture, and inequality / Marcus W. Feldman, Sarah P. Otto, and Freddy B … recent rise in the economic return to education / John Cawley, ... [et al.] -- Inequality and race: models and policy …