A count data model for gamma waiting times

A new distribution for non-negative integers, or counts, is developed. It is based on the assumption that the waiting times separating consecutive events are independently and identically gamma distributed. Thus, the structural process generating the counts may exhibit duration dependence. In this framework, the frequently observed phenomenon of overdispersion, that is a variance that exceeds the mean, is caused by a decreasing hazard function of the gamma distributed waiting times, while an increasing hazard leads to underdispersion at the level of the counts. A Monte Carlo simulation and an application to fertility data illustrate the performance of the new distribution.     

Historical regional patterns of infant mortality in Austria

First an overview is given of the secular decline of infant mortality in Austria between 1820 and 1950 is given. Second the study analyses the historical regional differences of infant mortality in Austria comparing data for all 99 political districts (Politische Bezirke) for the period 1900 to 1950. The most important results are: At the turn of the 19th century infant mortality rates were generally lower in Alpine than in non-alpine regions and lower in cities than in their surrounding areas. This geographical pattern which remained constant until the 1950s was solely determined by differences in post-neonatal mortality rates. Plausible explanations for these regional differences are discussed.En premier lieu cette étude fournit une vue d'ensemble du déclin séculaire de la mortalité infantile en Autriche en 1820 et 1950. Elle analyse ensuite les différences régionales de mortalité infantile en comparant les données des 99 districts politiques (Politische Bezirke) autrichiens, de 1900 à 1950. Les principaux résultats sont les suivants: à la fin du XIX^e siècle les taux de mortalité infantile étaient en général plus faibles dans les régions alpines que dans les autres et plus faibles dans les villes que dans les aires adjacentes. Ce modèle géographique, qui est resté le même jusqu'en 1950, était uniquement déterminé par les différences entre les taux de mortalité post-néonatale. Des explications plausibles de ces différences régionales sont discutées ici.     

Das Geheimnis des Alltäglichen

Since the 80ies Michel de Certeau’s analyses of everyday life had influenced the development of Cultural Studies. For example the practices of consumption and reception were described as resistant tactics in the work of John Fiske. But many aspects of de Certeau’s complex theory were not considered. Against this background his works is surveyed in the context of theories of everyday life. The study shows that the potential of de Certeau’s critical cultural analysis has yet to be disclosed and realized. So he has developed a subtle theory of everyday practices, delineated a science of the singular and explored the relationships between the unconscious and everyday life/between utopia and everyday life.     

Understanding Social Change in Conducting Research on Adolescence

In the present essay, we focus on G. Stanley Hall's contributions to the study of the role of social change for adolescent development. After introducing Hall's main ideas, we discuss recent demands adolescents face because of social change and how Hall's work could inform research on adolescent development in times of social change.     

Optional citizenship; articulation of interests and identities in naturalisations

Citizenship should be understood as a bundle of rights rather than as a legal expression of national membership. The citizenship status of immigrants is characterised by their human rights, their rights of external citizenship provided by sending countries, and their rights as resident aliens provided by receiving states. In this perspective naturalisation is only one amongst several options open to migrants to change and improve their legal position. The normative aspect of citizenship implies that general and basic rights should be distributed equally and universally within society. Raising the standard of alien rights, allowing for dual citizenship and conceiving of naturalisation as an individual option rather than as an obligation or as a discretionary decision of the receiving state would contribute to a more equal distribution of rights within societies of immigration. A model for explaining individual decision to naturalise is presented which is based on a combined analysis of interests and identities. The main factors that enter the model are rules applied by state authorities, social positions occupied by immigrants, the cost/benefit balance of rights in the transition to internal citizenship, and affiliations to different communities in the sending and the receiving state. The combination of rules, rights and social positions makes it possible to distinguish an objective value of internal citizenship for immigrants from transaction prices and subjective utilities. The main theoretical argument is that decisions can be influenced both by a perception of rational individual interests and by communal identities.     

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