The growing literature on the potential role of energy resources around the Caspian Sea is dominated by geoplitics whereas economic aspects have been largely neglected thus far. The relevance of Caspian oil and gas reserves continues to be praised, though objective data on production and exports...

In general, demographic development is expected to increase the number of cases needing nursing care. In order to explore the possible dynamics in this area, this papers employs a demographic model of the DIW which integrates among others a steadily increasing life expectancy. Grouping by sex,...

This article analyses the reform process in the European and the German natural gas sector. Competition in the industry and intra-European trade have been underdeveloped thus far. We argue that the European gas pipelines are a monopolistic bottleneck that require some form of access regulation,...

The article discusses the conflict of goals between fair compensation for performance and equitable support based on need in modern welfare states, which is a subject of controversy in various disciplines. It answers the question of the extent to which this policy problem of modern welfare...

Dieses Paper zeigt, dass die Messung der Handgreifkraft ein auch in sozialwissenschaftlichen Bevölkerungsumfragen einfach zu ermittelndes, nicht-invasives und verlässliches objektives Gesundheitsmaß ist. Die Greifkraftmessung stellt nicht nur eine sinnvolle Ergänzung zu selbst berichteten...

This paper analyzes the risk allocation in concession models for German highways, according to the "F-Model" and the "A-Model". We first assess the deficits of traditional construction and management of highways in Germany and present the two concession models. Next, theoretical backgrounds and...