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The conception of the cost of reproduction provides an important insight on connection between fertility and life span in living organisms. Despite substantial progress in understanding this connection many important features of fertility-longevity trade-off are masked by confounding factors,...

In the paper basic epidemiological indicators, produced by an aging population of vectors, are calculated. In the study we follow two lines: calculations for demographically structured population and individual life-history approach. We discuss the advantages and limitations of these approaches...

It has been argued recently that a society’s ‘gender system’ influences parents’ sex preferences for children. If this was true, one should expect to find no evidence of such preferences in countries with a high level of gender equality. In this paper we exploit population register data...

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Dieser Beitrag beschäftigt sich mit der Geburtenentwicklung in den nordischen Ländern seit den 1970er Jahren und den Wirkungen familienpolitischer Maßnahmen auf die Fertilitätsentwicklung. Basis der Analysen bilden Auswertungen harmonisierter Registerdaten Dänemarks, Finnlands, Norwegens...

This study examines fertility variation across housing types and childbearing patterns after housing changes. While the effect of family changes on housing choices has been studied in detail, little is known about childbearing patterns within various housing types, despite the fact that many...

In this paper, a recently developed mathematical model of age related changes in population of peripheral T cells (Romanyukha, Yashin, 2003) is used to describe ontogenetic changes of the immune system. The treatise is based on the assumption of linear dependence of antigen load from basal...

There is a growing body of literature looking at the interplay between an individual’s residential and other careers in the life-course. Previous research has mostly studied the impact of partnership and employment changes on spatial mobility. This paper focuses on the effect of childbearing...