"Wettbewerb" und "Bildungspolitik" stehen in zweifacher Hinsicht im Zusammenhang: Erstens erfordert der internationale Wettbewerb den Erhalt und Ausbau des deutschen Humankapitalbestands. Damit dabei die Ressourcen effizient eingesetzt werden, ist es zweitens notwendig, mehr Wettbewerbselemente...

Haushaltsstichproben wie die EVS spiegeln die Randbereiche der Verteilung nur unzureichend. Um die oberen Einkommensbereiche besser abzubilden, bietet sich eine Analyse der Einkommensteuerstatistik an, in der die "reichen" Haushalte bzw. Personen vollständig sind. Einkommenskonzept und...

In federal systems, the powers and responsibilities must be divided up between central government and individual states in such a way as to enable the center effectively to carry out its duties for the nation as a whole, while allowing the lower levels of government to pursue their own regional...

[Contents] 1 Development of sample sizes 2 1.1 Development of the number of successful interviews by cross-section 2 1.2 Longitudinal development of losses due to panel attrition 10 1.3 Entrants by birth or move-ins and their participation behavior 14 2 Losses due to unsuccessful follow-up 15...

Design-based estimators of totals, means or proportions in finite populations generally are functions of weighted sums. If each element selected into the sample is also observed, then for the calculation of the pi-estimator these weights are just the inverse inclusion probabilities of the...

In this paper, a weight is derived for the calculation of design based estimators of totals, means and proportions using the ongoing German Socio-Economic Panel (GSOEP) and a new cross-sectional sample. In the first part of the paper, the selection schemes of the subsamples A, B, C and D of the...

This paper studies the current crisis in the German pension system and discusses the various reform proposals.