This paper discusses various approaches to decompose economic time series into their trend and cyclical components. For over 30 years now, the Deutsche Bundesbank publishes trend-adjusted indicators in its Statistical Supplement 4 entitled ?Seasonally Adjusted Business Statistics? which are...

In a surprisingly growing number of regions in Germany private "regional currencies" are issued as a cash substitute for the euro. Currently, these regional currencies are conceived almost exclusively as Schwundgeld (depreciative currency), which loses value on a predetermined timescale. This...

In der folgenden Studie möchten wir ausgewählte Aspekte von intra- und intergenerationalen Umverteilungseffekten im System der bundesdeutschen Alterssicherung auf der Basis der Humankapitalheorie mit Simulationsmethoden analysieren. Falls es das Ziel der Politik ist, die Ungleichheit des...

This paper demonstrates that the share of apprentices exhibits a relatively strong seasonal pattern. This means that statistics on the share of apprentices such as those presented in official publications differ substantially from the actual yearly mean if they are measured on a date close to...

Based on a „theoretical„ framework on custodial and non-custodial sentencing, the paper provides econometric tests on the effectiveness of police, public prosecution and courts. Using a unique dataset covering German states for the period 1977-2001, a comprehensive system of criminal...

In der Diskussion um Innovationen für eine nachhaltige Entwicklung werden häufig radikale Innovationen gefordert, damit die Transformation der Gesellschaft hin zu einem als nachhaltig empfundenen System gelingen kann. Begründet wird dies mit einer höheren Umwelteffizienz dieser Innovationen....