Flexible modelling of simultaneously interval censored and truncated time‐to‐event data

This paper deals with the analysis of data from a HET‐CAM^VT experiment. From a statistical perspective, such data yield many challenges. First of all, the data are typically time‐to‐event like data, which are at the same time interval censored and right truncated. In addition, one has to cope with overdispersion as well as clustering. Traditional analysis approaches ignore overdispersion and clustering and summarize the data into a continuous score that can be analysed using simple linear models. In this paper, a novel combined frailty model is developed that simultaneously captures all of the aforementioned statistical challenges posed by the data. Copyright © 2015 John Wiley & Sons, Ltd.     

Climate events and the role of adaptive capacity for (im-)mobility

Population and Environment - The study examines the relationship between sudden- and gradual-onset climate events and migration, hypothesizing that this relationship is mediated by the adaptive...     

Der dreifache Bezug zur Arbeit – Transformation öffentlicher Dienste und berufliche Identität

During the last 2 decades the public administration and the public services have undergone far-reaching transformations that resulted in substantial changes in work and employment. This contribution discusses the question as to how workers perceive these upheavals and what consequences these have for their occupational identity. Based on empirical research on an Austrian town the authors show how local government employees, doctors and nurses at the community hospital and the post office’s deliverers and counter clerks interpret the transformations in particular from the perspective of their occupational self-conception. The article makes clear that using the concept of a threefold relationship to work makes it easier to understand workers’ perceptions, interpretations and reactions. Such a threefold relationship to work includes a labour power perspective, a subject perspective and the public sector ethos.     

The Direct and Indirect Impact of Religion on Well-Being in Germany

A European Social Survey (ESS)—based study of Clark and Lelkes on the European level showed a double positive connection between religion and life-satisfaction: not only did a personal involvement have a positive impact, but there was also a regional externality. Even atheists seemed to be happier in areas with many religious people. However, the regional structure of the ESS can be seen as methodologically doubtful. We therefore replicated the study with more rich German data. In our study we confirm the positive individual effect of religion, but we did find a negative regional externality. However, further analysis revealed, this was an effect of an omitted variable: the degree of urbanization. In a more detailed approach we show that this effect is confined to areas with a protestant majority. We conclude that the positive degree of urbanization influence on life-satisfaction is presumably due to the chance for more political participation in the (protestant) city states in Germany.     

Choices at various levels of uncertainty: An experimental test of the restated diversification theorem

Our “Restated diversification theorem” (Skogh and Wu, 2005) says that risk-averse agents may pool risks efficiently without assignment of subjective probabilities to outcomes, also at genuine uncertainty. It suffices that the agents presume that they face equal risks. Here, the theorem is tested in an experiment where the probability of loss, and the information about this probability, varies. The result supports our theorem. Moreover, it tentatively supports an evolutionary theory of the insurance industry—starting with mutual pooling at uncertainty, turning into insurance priced ex ante when actuarial information is available.     

Skilled Labour Migration and Positive Externality: The Case of Turkish Engineers Working Abroad

This study aims at exploring potential positive externalities of skilled labour migration from Turkey and highlighting social policies targeting “brain drain to brain gain” strategies in the case of Turkish engineers living abroad. Based on case study and further investigations, the skilled labour migration among Turkish engineers can be defined as a “brain over‐flow.” The main structural reason of this situation is discrepancy between educational and employment policies. Data indicate that it can be obtain positive externalities from skilled labour migration under certain conditions. Ninety per cent of all participants intended to give support to development practices in Turkey, even if they were not returning (n‐130). Only 10 per cent of all participants didn’t intend to give any kind of support. Cooperative projects, establishment of networks, forums and consultancy services to Turkish companies, were the most mentioned support manners. To realize these proposals, it is essential to develop active public policies aiming at a “brain drain to brain gain” approach, for short‐ and long‐term periods.     

Bivariate exponential-type distributions with linear regression

Let Xbe a bivariate exponential-type random vector (BIDLIKAR, PATIL (1968)), than it is proved:

1. If P(X ≥0) = 1 is valid, then Xhas linear regression to both directions if and only if Xpossesses a symmetric Γ-distribution.

2. Xpossesses linear regression to both directions with constant regression coefficients (independent of the parameter vector ? of the exponential-type distribution (BIDLIKAR, PATIL (1968)) if and only if Xis normal distributed.     

The power of discourse: Michel Foucault and critical theory

Abstract

The debate that contrasts Marxism and the work of Michel Foucault often overlooks that both projects share a political and ethical commitment. Both have moreover engaged that commitment by challenging what Marx called ‘traditional ideas’, viewing them as historically compilcit with the exercise of power. This ‘radical rupture’ with traditional ideas has been the hallmark of the critical theory project since The Communist Manifesto. By challenging traditional notions of power and language, however, Michel Foucault went further than the Marxist tradition in carrying out the critical theory project. Foucault's alternative ideas of discourse/practice and of power as ‘positive’ are moreover intricately linked in a way that has not been sufficiently appreciated. This is evident in a genealogy of Foucault's early work, where neither notion is able to take hold in the absence of the other. It only after The Archaeology of Knowledge, where Foucault rethought the relationship of language to reality, that he was able to formulate the notion of power as positive in works to come. This link should cause us to rethink our relationship to Foucault's work, of it to Marxism, and of the critical theory project to the power.     

Netzwerkberatung in Clustern

Inter-organizational networks increasingly become clients in consulting processes. At the same time inter-organizational relations and networks are essential components of regional clusters. On the basis of the differences between consulting organizations and consulting networks, it will be argued that network consulting in clusters requires at least a two level process approach that focuses on the level of inter-organizational networks in a cluster context and the level of the regional cluster itself. Based on a long-term and intensive involvement in researching and consulting an emergent regional cluster in the field of optics, we gained insights into the particularities of consulting networks in clusters. The paper contributes to the emergent research on network consulting in general and on consulting such networks in regional clusters in particular.