The present paper investigates potential fiscal and distributional effects which emerge due to four reform scenarios on the German income tax rate. The analysis is based on a static simulation model for the German tax system using income tax micro-data. The data shows that changing the present...

In order to alleviate unemployment it is often recommended to reduce social security contributions (SSC) and to compensate for the ensuing loss in revenues by a rise in the value-added tax (VAT). Assuming unemployment to be caused by efficiency wages, it is shown that a balanced-budget shift...

The paper analyses the impact of the German tax, social security and benefit system on the labour supply of married women. It is based on a comprehensive microsimulation model for individual income taxes, social security contributions and tranfers, and on a microeconometric labour supply model...

"Die Armutsmessung der empirischen Sozialforschung ist von einer Reihe von Annahmen und Setzungen abhängig, die Ausmaß und Struktur der Armutsbevölkerung beeinflussen. Äquivalenzskalen, Ermittlung des mittleren Einkommens als Referenzgröße und die Festlegung von Armutsschwellen führen zu...

Als mögliche Ausgestaltung einer Steuerautonomie der Länder wird ein Zuschlagsmodell bei der Einkommensteuer diskutiert. Anhand der tatsächlichen Aufkommenszahlen der letzten Jahre berechnete Projektionen zeigen, dass auch bei einer moderaten Reform entweder erhebliche Aufkommensdifferenzen...

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...

Der vorliegende empirische Beitrag analysiert die Verteilungswirkungen des Familienlastenausgleichs für die Rechtsstände 1995,2003,2005 und den so genannten "Karlsruher Entwurf" unter Verwendung der Einzeldatensätze der 10 %-Stichprobe der Einkommensteuerstatistik des Statistischen...

Existing quantitative studies on the impact of a dual income tax on the German economy usually are based on computable general equilibrium models. They assume one representative household. Their results are sensitive to one behavioral parameter, the labor supply elasticity, which is assumed to...

The contribution of this paper is twofold. First, it presents the results of a “history-friendly” simulation model of evolution of the pharmaceutical industry. Second, it aims at contributing to a more general methodological discussion about agent-based models by proposing an econometric...

This study presents a first comparative analysis of Lasso-type (Lasso, adaptive Lasso, elastic net) and heuristic subset selection methods. Although the Lasso has shown success in many situations, it has some limitations. In particular, inconsistent results are obtained for pairwise highly...