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...

The system of risk equalization payments among German Statutory Sickness Funds is currently under intensive political debate. While some participants claim that the enormous size of the equalization payments are detrimental to effective competition among funds, others argue that there are still...

This paper examines the consequences of including the self-employed in the German pay-as-you-go pension system. The effects on the implicit tax rate of the different generations and groups are analysed. It is demonstrated that the inclusion of the self-employed can be used to reach two...

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,...

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...