What determines the perceived productivity of the older worker and how does this perception compare to the perception of the productivity of the younger worker? In this study we present evidence based on data from Dutch employers and employees. Productivity perceptions are affected by one's age...

This article examines, by means of citation analysis for the years 1991-95, the process of knowledge dissemination in demography journals and the intellectual exchange of demography journals with neighboring social sciences. In addition, it investigates the degree of uncitedness in demography...

This research note examines the level of uncitedness and the impact of articles published in the years 1990-92 in 17 demography journals. After ten years 24 percent of the demography articles are still uncited and the average number of citations per article is seven. The ten-year citation...