Nisén, Jessica; Martikainen, Pekka; Kaprio, Jaakko; … - In: Demography 50 (2013) 4, pp. 1399-1420
may contribute to educational differences in completed fertility is not well understood. This study examines the … association between educational level and completed fertility in a sample of Finnish male and female twins born between 1950 and … women are least likely to have any children and have lower completed fertility in general. Behavioral genetics analysis …