In Medienberichten war jüngst von jährlichen Einsparungen in Höhe von zehn bis elf Milliarden Euro bei den Ausgaben für die Aufstocker durch die Einführung eines flächendeckenden Mindestlohns von 8,50 Euro pro Stunde die Rede. In der Pressekonferenz vom 11. Juli 2013, auf die sich die Berichte bezogen, wurde lediglich auf nicht näher quantifizierte Einsparungen bei den Transferausgaben für Aufstocker ...
Since Germany's social assistance reform ("Hartz-IV-Reform") in 2005 there has been a strong increase in the number of working poor and long-term unemployed. This development is often attributed to the remaining disincentives of the reformed social assistance to take up a low-paid full time job. Therefore, several proposals have been worked out to reduce these disincentives. In this ...
We consider the problem of testing for zero variance components in linear mixed models with correlated or heteroscedastic errors. In the case of independent and identically distributed errors, a valid test exists, which is based on the exact finite sample distribution of the restricted likelihood ratio test statistic under the null hypothesis. We propose to make use of a transformation to derive the ...