Mixtures of increasing failure rate distributions (IFR) can decrease at least in some intervals of time. Usually this property is observed asymptotically as time tends to infinity , which is due to the fact that a mixture failure rate is ‘bent down’, as the weakest populations are dying out...

The present study provides an investigation of the demographics of same-sex marriages, or registered partnerships (“registrerade partnerskap”), in Norway and Sweden. We give an overview of the demographic characteristics of such spouses, and study patterns in divorce risks. A comparison with...

This study presents a life-table decription of a wide range of events concerning family formation and fertility in Romania, by contrasting two different periods in Romanian history: a period of authoritarian regime and centrally planned economy (1980-1989) and a period of democratic political...

This paper examines causality and parameter instability in the long-run relationship between fertility and women’s employment. This is done by a cross-national comparison of macro-level time series data from 1960–2000 for France, West Germany, Italy, Sweden, the UK, and the USA. By applying...

Statistical analysis of a large and unique longitudinal data set demonstrates that late childbearing after age 35 or 40 is significantly associated with survival and healthy survival among very old Chinese women and men. The association is stronger in oldest-old women than men. The estimates are...

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Does a woman’s reproductive history influence her life span? This study explores the question on the basis of data from two contemporary female populations: England & Wales and Austria. It is the first comparative study that investigates the relationship between fertility and mortality late in...

This paper addresses the transition to adulthood in developed countries. It reviews the main theories that have been employed in recent years to explain trends in such variables as age ages at leaving home, union formation, first marriage and first birth. The paper then examines the median ages...

In this paper, we explore the inter-individual diversity in fertility among women in Austria for the female birth cohorts 1917-1961. Comparative studies revealed that all Western countries have witnessed a decline in the concentration of reproduction during the 20th century, a trend that has...

This article surveys supervisors’ ratings, work-sample tests, analyzes of employer-employee datasets and other approaches used to estimate how individual productivity varies by age. The causes of productivity variations over the life cycle are addressed with an emphasis on how cognitive...