become a source of international knowledge diffusion and whether such diffusion is localized to the region. Using citations … and estimating a model of international knowledge diffusion, I find strong evidence corroborating the hypothesis of …

that have promoted or retarded declines in fertility. There is, however, a tendency to regard development and diffusion as … and social development and treat diffusion as an inherent process. This paper is an attempt to enlarge the focus to look … at the pace of fertility change in terms of combinations of both development and diffusion factors as explanations for …